May 2, 2013 8:44 pm Mexico's Shift in Drug War Tactics NBC 7’s Diana Guevara with how today’s presidential visit could have an influence on whether Mexico decides to go through with plans to change how it works with the U.S. in the crackdown on drug trafficking. 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