President Barack Obama's aides, who ran the most tech-savvy US election campaign in history, were forced into a red-faced admission Monday -- the White House email system has crashed. "Our email system is not working so well," press spokesman Robert Gibbs told reporters at the start of his daily briefing. "We'll endeavor to get you information from earlier in the day, hopefully in a little bit more of a timely manner, if we can get the email to work." At one stage, Obama aides were forced to turn back the clock and hand out copies of memoranda signed by the...