March 20, 2018 7:11 pm Cameras to Replace Guards at Palo Alto Caltrain Crossings Technology will replace people in an effort to prevent suicides on train tracks in Palo Alto. Marianne Favro 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