$(document).ready(function(){

    var username = 'Kerry350';
    var format = 'json';
    var url = 'http://api.twitter.com/1/statuses/user_timeline/'+username+'.'+format+'?callback=?&count=1';
 
    $.ajax({  
        url : url,
        dataType : "json",  
        timeout:15000,  
  
        success : function(data)  
        {
                 $.each(data, function(i,item){

                 $("p.tweet span").append(item.text);



                })
           

        }
              
  
    });  
    
})