March 11, 2009 11:10 am The Final Countdown…Again After overcoming delays due to safety concerns, Discovery will blast off on a 14 day mission to deliver the last major component of the international space station. Kirsten Dalhgren has the details. US & World Videos 0:28 A Vermont state trooper plunges into icy pond to rescue 8-year-old girl 2:59 Keep these travel etiquette tips in mind this holiday season 2:20 Bodies of Missing Men Found in Rubber Bins Inside Storage Unit 1:42 Hundreds of Golden Retrievers Walk a Mile for the Official Boston Marathon Dog 1:51 Typewriter Shop Owner Receives Gift From Tom Hanks