May 20, 2013 8:46 pm Mayor Fights for CA Law Filner’s invoking a legal concept that goes back centuries, called “jury nullification” — whereby jurors can refuse to convict people under laws they believe should not be applied. 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