July 18, 2014 11:26 pm AIDS Researcher Joep Lange Killed in Malaysian Air Disaster NBC Bay Area’s Peggy Bunker provides the latest on the Malaysian Airlines flight shot down over Ukraine. 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