December 23, 2010 8:22 pm Major Cleanup in Mission Valley It’s the worst flooding San Diego has seen in 20 years. Major cleanup was underway in Mission Valley on Thursday after the San Diego River flooded and caused widespread problems. 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