January 3, 2019 6:41 pm SF Celebrates Completion of $551M Moscone Center Expansion After four years of construction, the expansion to San Francisco’s Moscone Center is open for business. Christie Smith reports. 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