ADD IN LOOP:

newItem.on("click", function(e) {
	root.detailRenderer.title.text = feedItems[e.currentTarget.id].title;
	root.detailRenderer.date.text = feedItems[e.currentTarget.id].date;
	root.detailRenderer.description.text = feedItems[e.currentTarget.id].description;
	root.detailRenderer.link.text = "Read more..."
	root.detailRenderer.link.cursor = "pointer";
	root.detailRenderer.link.on("click", function(e){
		window.open(feedItems[e.currentTarget.id].link, "_blank");
	});
});




ADD TO ITEM CLICK FUNCTION:
root.detailRenderer.gotoAndPlay(1);