January 13, 2011 8:02 am Salute to the Men and Women at Bagram Airfield Vice President Joe Biden made an unannounced visit to Bagram Airfield in Afghanistan and got a first-hand update from troops. US & World Videos 0:35 Blue blobs washing up on San Diego beaches again 1:45 NYPD enters Columbia University in riot gear to clear protest 3:24 Four San Diego businesswomen frustrated in efforts to recover money 1:56 New equipment headed to tribal lands just ahead of San Diego's fire season 2:46 Clinical trial helps 8-year-old San Diego girl and other children hear for first time