May 24, 2016 6:45 pm San Francisco Mayor Ed Lee Pushes For Smart Guns The issue of gun violence brought together lawmakers and city leaders from around the country Tuesday, including San Francisco Mayor Ed Lee, who was pushing for smart guns. 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
