A new security agreement keeping U.S. troops in Afghanistan past this year marks yet another chapter in the longest conflict in U.S. history.
Sept. 11, 2001 -- Al-Qaeda operatives hijack four commercial airliners, flying two into New York's World Trade Center and a third into the Pentagon. A fourth plane crashes in a field near the town of Shanksville, Pa., after passengers storm the cockpit. Nearly 3,000 people die in the attacks.
The following five celebrity urban legends will likely live on long into the future, despite the fact that none of them is remotely true.
Sara Gilbert, who celebrates her 40th birthday on Thursday, grew up in front of TV audiences on "Roseanne." In honor of her birthday, click on to see what she and the rest of her co-stars are up to today.