March 24, 2013 10:44 am Capt. Mark Kelly Speaks in San Diego Retired astronaut and Navy Capt. Mark Kelly — who’s also married to former Rep. Gabrielle Giffords — delivered a keynote speech in San Diego during a brain injury conference. NBC 7’s Chris Chan reports. 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
