June 18, 2015 7:00 pm Legalized Medical Marijuana Does Not Cause Increase in Teen Use, Study Says Some opponents argue against legalized pot, citing the risk of greater use among teenagers. But is that outcome really likely? Sam Brock investigates. 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
