November 29, 2012 11:22 am RAW VIDEO: Biden's Trip to DC Costco Vice President Joe Biden made a surprise appearance Thursday morning at the opening of Washington, D.C.’s first Costco. READ STORY or WATCH THE GIFs. Local 2:17 GW asks to students to move pro-Palestinian demonstration 3:01 “It's 100% different”: Community reflects on emergency curfew at National Harbor 2:25 Community, businesses mark first weekend of emergency curfew at National Harbor 1:27 Police search for suspect who vandalized Rockville synagogue sign 2:03 PNC Parkway Classic marks 40 years of racing in Virginia