Space shuttle Discovery was moved to the launch pad Thursday to await a launch that could be as early as Dec. 6 — an effort to avoid potential New Year's Eve computer glitches. The worry is that shuttle computers aren't designed to make the change from the 365th day of the old year to the first day of the new year while in flight. NASA has never had a shuttle in space Dec. 31 or Jan. 1. "We've just never had the computers up and going when we've transitioned from one year to another," said Discovery astronaut Joan Higginbotham. "We're...