diff --git a/build.json b/build.json
index 2f61b51..4ded4b4 100644
--- a/build.json
+++ b/build.json
@@ -1,5 +1,5 @@
 {
-	"anvil.uglify" : {},
+	"anvil.uglify" : { "all" :true },
 	"anvil.http": {
 		"paths": {
 			"/": "./"
diff --git a/lib/postal.js b/lib/postal.js
index 99c82dc..10cde69 100644
--- a/lib/postal.js
+++ b/lib/postal.js
@@ -247,19 +247,22 @@
 				tap( envelope.data, envelope );
 			} );
 			if ( this.subscriptions[envelope.channel] ) {
-				_.each( this.subscriptions[envelope.channel], function ( topic ) {
+				_.each( this.subscriptions[envelope.channel], function ( subscribers ) {
 					// TODO: research faster ways to handle this than _.clone
-					_.each( _.clone( topic ), function ( subDef ) {
-						if ( postal.configuration.resolver.compare( subDef.topic, envelope.topic ) ) {
-							if ( _.all( subDef.constraints, function ( constraint ) {
-								return constraint.call( subDef.context, envelope.data, envelope );
-							} ) ) {
-								if ( typeof subDef.callback === 'function' ) {
-									subDef.callback.call( subDef.context, envelope.data, envelope );
-								}
-							}
-						}
-					} );
+	        var idx = 0;
+	        while(idx < subscribers.length) {
+	          (function(subDef){
+	            if ( postal.configuration.resolver.compare( subDef.topic, envelope.topic ) ) {
+	              if ( _.all( subDef.constraints, function ( constraint ) {
+	                return constraint.call( subDef.context, envelope.data, envelope );
+	              } ) ) {
+	                if ( typeof subDef.callback === 'function' ) {
+	                  subDef.callback.call( subDef.context, envelope.data, envelope );
+	                }
+	              }
+	            }
+	          }(subscribers[idx++]));
+	        }
 				} );
 			}
 			return envelope;
diff --git a/lib/postal.min.js b/lib/postal.min.js
index 7e31cc1..fd2e23e 100644
--- a/lib/postal.min.js
+++ b/lib/postal.min.js
@@ -4,4 +4,4 @@
  License: Dual licensed MIT (http://www.opensource.org/licenses/mit-license) & GPL (http://www.opensource.org/licenses/gpl-license)
  Version 0.8.0
  */
-(function(e,t){typeof module=="object"&&module.exports?module.exports=function(e){return e=e||require("underscore"),t(e)}:typeof define=="function"&&define.amd?define(["."],function(n){return t(n,e)}):e.postal=t(e._,e)})(this,function(e,t,n){var r="/",i=0,s="postal",o=function(){var t;return function(n){var r=!1;return e.isString(n)?(r=n===t,t=n):(r=e.isEqual(n,t),t=e.clone(n)),!r}},u=function(){var t=[];return function(n){var r=!e.any(t,function(t){return e.isObject(n)||e.isArray(n)?e.isEqual(n,t):n===t});return r&&t.push(n),r}},a=function(e){this.channel=e||r};a.prototype.subscribe=function(){return arguments.length===1?new f(this.channel,arguments[0].topic,arguments[0].callback):new f(this.channel,arguments[0],arguments[1])},a.prototype.publish=function(){var e=arguments.length===1?arguments[0]:{topic:arguments[0],data:arguments[1]};return e.channel=this.channel,h.configuration.bus.publish(e)};var f=function(e,t,n){this.channel=e,this.topic=t,this.callback=n,this.constraints=[],this.context=null,h.configuration.bus.publish({channel:s,topic:"subscription.created",data:{event:"subscription.created",channel:e,topic:t}}),h.configuration.bus.subscribe(this)};f.prototype={unsubscribe:function(){h.configuration.bus.unsubscribe(this),h.configuration.bus.publish({channel:s,topic:"subscription.removed",data:{event:"subscription.removed",channel:this.channel,topic:this.topic}})},defer:function(){var e=this.callback;return this.callback=function(t){setTimeout(e,0,t)},this},disposeAfter:function(t){if(e.isNaN(t)||t<=0)throw"The value provided to disposeAfter (maxCalls) must be a number greater than zero.";var n=this.callback,r=e.after(t,e.bind(function(){this.unsubscribe()},this));return this.callback=function(){n.apply(this.context,arguments),r()},this},distinctUntilChanged:function(){return this.withConstraint(new o),this},distinct:function(){return this.withConstraint(new u),this},once:function(){this.disposeAfter(1)},withConstraint:function(t){if(!e.isFunction(t))throw"Predicate constraint must be a function";return this.constraints.push(t),this},withConstraints:function(t){var n=this;return e.isArray(t)&&e.each(t,function(e){n.withConstraint(e)}),n},withContext:function(e){return this.context=e,this},withDebounce:function(t){if(e.isNaN(t))throw"Milliseconds must be a number";var n=this.callback;return this.callback=e.debounce(n,t),this},withDelay:function(t){if(e.isNaN(t))throw"Milliseconds must be a number";var n=this.callback;return this.callback=function(e){setTimeout(function(){n(e)},t)},this},withThrottle:function(t){if(e.isNaN(t))throw"Milliseconds must be a number";var n=this.callback;return this.callback=e.throttle(n,t),this},subscribe:function(e){return this.callback=e,this}};var l={cache:{},compare:function(e,t){if(this.cache[t]&&this.cache[t][e])return!0;var n=("^"+e.replace(/\./g,"\\.").replace(/\*/g,"[A-Z,a-z,0-9]*").replace(/#/g,".*")+"$").replace("\\..*$","(\\..*)*$").replace("^.*\\.","^(.*\\.)*"),r=new RegExp(n),i=r.test(t);return i&&(this.cache[t]||(this.cache[t]={}),this.cache[t][e]=!0),i},reset:function(){this.cache={}}},c={addWireTap:function(e){var t=this;return t.wireTaps.push(e),function(){var n=t.wireTaps.indexOf(e);n!==-1&&t.wireTaps.splice(n,1)}},publish:function(t){return t.timeStamp=new Date,e.each(this.wireTaps,function(e){e(t.data,t)}),this.subscriptions[t.channel]&&e.each(this.subscriptions[t.channel],function(n){e.each(e.clone(n),function(n){h.configuration.resolver.compare(n.topic,t.topic)&&e.all(n.constraints,function(e){return e.call(n.context,t.data,t)})&&typeof n.callback=="function"&&n.callback.call(n.context,t.data,t)})}),t},reset:function(){this.subscriptions&&(e.each(this.subscriptions,function(t){e.each(t,function(e){while(e.length)e.pop().unsubscribe()})}),this.subscriptions={})},subscribe:function(e){var t,n,r,i=this.subscriptions[e.channel],s;return i||(i=this.subscriptions[e.channel]={}),s=this.subscriptions[e.channel][e.topic],s||(s=this.subscriptions[e.channel][e.topic]=[]),s.push(e),e},subscriptions:{},wireTaps:[],unsubscribe:function(e){if(this.subscriptions[e.channel][e.topic]){var t=this.subscriptions[e.channel][e.topic].length,n=0;for(;n<t;n++)if(this.subscriptions[e.channel][e.topic][n]===e){this.subscriptions[e.channel][e.topic].splice(n,1);break}}}};c.subscriptions[s]={};var h={configuration:{bus:c,resolver:l,DEFAULT_CHANNEL:r,SYSTEM_CHANNEL:s},ChannelDefinition:a,SubscriptionDefinition:f,channel:function(e){return new a(e)},subscribe:function(e){return new f(e.channel||r,e.topic,e.callback)},publish:function(e){return e.channel=e.channel||r,h.configuration.bus.publish(e)},addWireTap:function(e){return this.configuration.bus.addWireTap(e)},linkChannels:function(t,n){var i=[];return t=e.isArray(t)?t:[t],n=e.isArray(n)?n:[n],e.each(t,function(t){var s=t.topic||"#";e.each(n,function(n){var s=n.channel||r;i.push(h.subscribe({channel:t.channel||r,topic:t.topic||"#",callback:function(t,r){var i=e.clone(r);i.topic=e.isFunction(n.topic)?n.topic(r.topic):n.topic||r.topic,i.channel=s,i.data=t,h.publish(i)}}))})}),i},utils:{getSubscribersFor:function(){var e=arguments[0],t=arguments[1];return arguments.length===1&&(e=arguments[0].channel||h.configuration.DEFAULT_CHANNEL,t=arguments[0].topic),h.configuration.bus.subscriptions[e]&&h.configuration.bus.subscriptions[e].hasOwnProperty(t)?h.configuration.bus.subscriptions[e][t]:[]},reset:function(){h.configuration.bus.reset(),h.configuration.resolver.reset()}}};return h})
\ No newline at end of file
+(function(e,t){typeof module=="object"&&module.exports?module.exports=function(e){return e=e||require("underscore"),t(e)}:typeof define=="function"&&define.amd?define(["underscore"],function(n){return t(n,e)}):e.postal=t(e._,e)})(this,function(e,t,n){var r="/",i=0,s="postal",o=function(){var t;return function(n){var r=!1;return e.isString(n)?(r=n===t,t=n):(r=e.isEqual(n,t),t=e.clone(n)),!r}},u=function(){var t=[];return function(n){var r=!e.any(t,function(t){return e.isObject(n)||e.isArray(n)?e.isEqual(n,t):n===t});return r&&t.push(n),r}},a=function(e){this.channel=e||r};a.prototype.subscribe=function(){return arguments.length===1?new f(this.channel,arguments[0].topic,arguments[0].callback):new f(this.channel,arguments[0],arguments[1])},a.prototype.publish=function(){var e=arguments.length===1?Object.prototype.toString.call(arguments[0])==="[object String]"?arguments[0]:{topic:arguments[0]}:{topic:arguments[0],data:arguments[1]};return e.channel=this.channel,h.configuration.bus.publish(e)};var f=function(e,t,n){this.channel=e,this.topic=t,this.callback=n,this.constraints=[],this.context=null,h.configuration.bus.publish({channel:s,topic:"subscription.created",data:{event:"subscription.created",channel:e,topic:t}}),h.configuration.bus.subscribe(this)};f.prototype={unsubscribe:function(){h.configuration.bus.unsubscribe(this),h.configuration.bus.publish({channel:s,topic:"subscription.removed",data:{event:"subscription.removed",channel:this.channel,topic:this.topic}})},defer:function(){var e=this.callback;return this.callback=function(t){setTimeout(e,0,t)},this},disposeAfter:function(t){if(e.isNaN(t)||t<=0)throw"The value provided to disposeAfter (maxCalls) must be a number greater than zero.";var n=this.callback,r=e.after(t,e.bind(function(){this.unsubscribe()},this));return this.callback=function(){n.apply(this.context,arguments),r()},this},distinctUntilChanged:function(){return this.withConstraint(new o),this},distinct:function(){return this.withConstraint(new u),this},once:function(){this.disposeAfter(1)},withConstraint:function(t){if(!e.isFunction(t))throw"Predicate constraint must be a function";return this.constraints.push(t),this},withConstraints:function(t){var n=this;return e.isArray(t)&&e.each(t,function(e){n.withConstraint(e)}),n},withContext:function(e){return this.context=e,this},withDebounce:function(t){if(e.isNaN(t))throw"Milliseconds must be a number";var n=this.callback;return this.callback=e.debounce(n,t),this},withDelay:function(t){if(e.isNaN(t))throw"Milliseconds must be a number";var n=this.callback;return this.callback=function(e){setTimeout(function(){n(e)},t)},this},withThrottle:function(t){if(e.isNaN(t))throw"Milliseconds must be a number";var n=this.callback;return this.callback=e.throttle(n,t),this},subscribe:function(e){return this.callback=e,this}};var l={cache:{},compare:function(e,t){if(this.cache[t]&&this.cache[t][e])return!0;var n=("^"+e.replace(/\./g,"\\.").replace(/\*/g,"[A-Z,a-z,0-9]*").replace(/#/g,".*")+"$").replace("\\..*$","(\\..*)*$").replace("^.*\\.","^(.*\\.)*"),r=new RegExp(n),i=r.test(t);return i&&(this.cache[t]||(this.cache[t]={}),this.cache[t][e]=!0),i},reset:function(){this.cache={}}},c={addWireTap:function(e){var t=this;return t.wireTaps.push(e),function(){var n=t.wireTaps.indexOf(e);n!==-1&&t.wireTaps.splice(n,1)}},publish:function(t){return t.timeStamp=new Date,e.each(this.wireTaps,function(e){e(t.data,t)}),this.subscriptions[t.channel]&&e.each(this.subscriptions[t.channel],function(n){var r=0;while(r<n.length)(function(n){h.configuration.resolver.compare(n.topic,t.topic)&&e.all(n.constraints,function(e){return e.call(n.context,t.data,t)})&&typeof n.callback=="function"&&n.callback.call(n.context,t.data,t)})(n[r++])}),t},reset:function(){this.subscriptions&&(e.each(this.subscriptions,function(t){e.each(t,function(e){while(e.length)e.pop().unsubscribe()})}),this.subscriptions={})},subscribe:function(e){var t,n,r,i=this.subscriptions[e.channel],s;return i||(i=this.subscriptions[e.channel]={}),s=this.subscriptions[e.channel][e.topic],s||(s=this.subscriptions[e.channel][e.topic]=[]),s.push(e),e},subscriptions:{},wireTaps:[],unsubscribe:function(e){if(this.subscriptions[e.channel][e.topic]){var t=this.subscriptions[e.channel][e.topic].length,n=0;for(;n<t;n++)if(this.subscriptions[e.channel][e.topic][n]===e){this.subscriptions[e.channel][e.topic].splice(n,1);break}}}};c.subscriptions[s]={};var h={configuration:{bus:c,resolver:l,DEFAULT_CHANNEL:r,SYSTEM_CHANNEL:s},ChannelDefinition:a,SubscriptionDefinition:f,channel:function(e){return new a(e)},subscribe:function(e){return new f(e.channel||r,e.topic,e.callback)},publish:function(e){return e.channel=e.channel||r,h.configuration.bus.publish(e)},addWireTap:function(e){return this.configuration.bus.addWireTap(e)},linkChannels:function(t,n){var i=[];return t=e.isArray(t)?t:[t],n=e.isArray(n)?n:[n],e.each(t,function(t){var s=t.topic||"#";e.each(n,function(n){var s=n.channel||r;i.push(h.subscribe({channel:t.channel||r,topic:t.topic||"#",callback:function(t,r){var i=e.clone(r);i.topic=e.isFunction(n.topic)?n.topic(r.topic):n.topic||r.topic,i.channel=s,i.data=t,h.publish(i)}}))})}),i},utils:{getSubscribersFor:function(){var e=arguments[0],t=arguments[1];return arguments.length===1&&(e=arguments[0].channel||h.configuration.DEFAULT_CHANNEL,t=arguments[0].topic),h.configuration.bus.subscriptions[e]&&h.configuration.bus.subscriptions[e].hasOwnProperty(t)?h.configuration.bus.subscriptions[e][t]:[]},reset:function(){h.configuration.bus.reset(),h.configuration.resolver.reset()}}};return h})
\ No newline at end of file
diff --git a/src/LocalBus.js b/src/LocalBus.js
index f0835af..3c4f2cd 100644
--- a/src/LocalBus.js
+++ b/src/LocalBus.js
@@ -16,19 +16,22 @@ var localBus = {
 			tap( envelope.data, envelope );
 		} );
 		if ( this.subscriptions[envelope.channel] ) {
-			_.each( this.subscriptions[envelope.channel], function ( topic ) {
+			_.each( this.subscriptions[envelope.channel], function ( subscribers ) {
 				// TODO: research faster ways to handle this than _.clone
-				_.each( _.clone( topic ), function ( subDef ) {
-					if ( postal.configuration.resolver.compare( subDef.topic, envelope.topic ) ) {
-						if ( _.all( subDef.constraints, function ( constraint ) {
-							return constraint.call( subDef.context, envelope.data, envelope );
-						} ) ) {
-							if ( typeof subDef.callback === 'function' ) {
-								subDef.callback.call( subDef.context, envelope.data, envelope );
-							}
-						}
-					}
-				} );
+        var idx = 0;
+        while(idx < subscribers.length) {
+          (function(subDef){
+            if ( postal.configuration.resolver.compare( subDef.topic, envelope.topic ) ) {
+              if ( _.all( subDef.constraints, function ( constraint ) {
+                return constraint.call( subDef.context, envelope.data, envelope );
+              } ) ) {
+                if ( typeof subDef.callback === 'function' ) {
+                  subDef.callback.call( subDef.context, envelope.data, envelope );
+                }
+              }
+            }
+          }(subscribers[idx++]));
+        }
 			} );
 		}
 		return envelope;