Here is the code I'm working with (below) largely thanks to Fruitbeard. It's working just fine.

In the function CompleteHandler it calls a xml feed in the variable surl which is

http://" + dataCenter + ".api.mailchimp.com/1.2/?method=campaignClickStats&output=xml&apikey=" + apiKey + "&cid=" + allid;

I want to also call a secondary XML url which would be very similar:

http://" + dataCenter + ".api.mailchimp.com/1.2/?method=campaignStats&output=xml&apikey=" + apiKey + "&cid=" + allid;

Therefore function linkComplete pulls data from surl XML feed. I want this function to also output data from this secondary xml url above. I've tried many different ways of trying to do so but have had no luck.

code:

stop();

var dataCenter:String = "us2";
var apiKey:String = key;

var loader:URLLoader;
var requester:URLRequest;
var url:String;

var san:XML;
var nOfCamp:Number;
var nOfSt:Number;
var nOfU:Number;
var adingSt:Number;
var adingU:Number;
var ssum:Number;
var usum:Number;
var i:Number;
var allsub:String;
var allid:String;
var surl:String;

var linkLoader:URLLoader;
var linkTarget:URLRequest;
var linkImport:XML;

btn_camp.addEventListener(MouseEvent.CLICK, fl_MouseClickHandler1);

function fl_MouseClickHandler1(event:MouseEvent):void
{
url = "http://" + dataCenter + ".api.mailchimp.com/1.2/?method=campaigns&output=xml&apikey=" + apiKey;
requester = new URLRequest(url);
loader = new URLLoader();
loader.addEventListener(IOErrorEvent.IO_ERROR,xmlE rror,false,0,true);
loader.addEventListener(Event.COMPLETE, completeHandler,false,0,true);
loader.load(requester);
}

// *** Initial xml load complete
function completeHandler(e:Event)
{
loader.removeEventListener(Event.COMPLETE, completeHandler);
loader.removeEventListener(IOErrorEvent.IO_ERROR,x mlError);

san = new XML(e.target.data);
nOfCamp = san.*.subject.length();

for (i = 0; i< nOfCamp; i++)
{
allsub = san.*.subject[i].text();
allid = san.*.id[i].text();
trace(allid);
surl = "http://" + dataCenter + ".api.mailchimp.com/1.2/?method=campaignClickStats&output=xml&apikey=" + apiKey + "&cid=" + allid;
m_txt.htmlText += "<a href='event:" + surl + "'>" + allsub + "</a>\n\n";
m_txt.addEventListener(TextEvent.LINK, linkEvent,false,0,true);
}
}

// *** Link text from xml - to other text box
function linkEvent(e:TextEvent):void
{
trace(e.text);

linkLoader = new URLLoader();
linkTarget = new URLRequest(e.text);
linkLoader.addEventListener(IOErrorEvent.IO_ERROR, xmlError,false,0,true);
linkLoader.addEventListener(Event.COMPLETE, linkComplete,false,0,true);
linkLoader.load(linkTarget);
//navigateToURL(new URLRequest(e.text), "_blank");
}

// *** Link text load complete;
function linkComplete(e:Event):void
{

linkLoader.removeEventListener(IOErrorEvent.IO_ERR OR,xmlError);
linkLoader.removeEventListener(Event.COMPLETE, linkComplete);

linkImport = new XML(e.target.data);
ssum = 0;
usum = 0;
nOfSt = linkImport.*.clicks.length();
nOfU = linkImport.*.unique.length();
for (i = 0; i< nOfSt; i++) {
adingSt = linkImport.*.clicks[i].text();
adingU = linkImport.*.unique[i].text();
ssum+=adingSt;
usum+=adingU;
var ust = usum;
var op = ssum;
}
m_txt.text = "Clicks = " + op + " and " + "Unique Clicks = " + ust;

}

// *** Load error;
function xmlError(e:IOErrorEvent):void
{
trace(e);
}