July 17, 2013 11:10 am North County's Unofficial Holiday It’s an unofficial holiday in North County – Opening Day at the Races. NBC 7’s Megan Tevrizian reports on the thousands of silks stored at the Del Mar Thoroughbred Club for the 2013 season. 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
