San Diego August 5, 2019 6:45 pm Democratic Presidential Candidates Focus on Gun Violence at Unidos Conference Democratic presidential candidates attended the UnidosUS Conference in Downtown San Diego. The main topic discussed was gun violence. NBC 7’s Alex Presha has the details 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