November 5, 2009 9:46 pm Behind The Scenes: Brian Williams On “30 Rock” Go behind the scenes with Tina Fey and Brian Williams as they film the veteran newsman’s guest appearance on NBC‘s “30 Rock.” US & World Videos 0:47 WATCH: Comet fragment lights up the sky in Portugal 1:58 ICC seeking arrest warrants for Israeli and Hamas leaders 1:43 World reacts to death of Iran's president 1:07 Cargo ship that crashed into Baltimore bridge moving back to port 2:17 Diddy breaks silence on Cassie assault video