As Vice President Joe Biden and a host of Defense Department acquisition officials gathered at the Pentagon this week to celebrate the official end of Mine Resistant Ambush Protected vehicle production, questions continued to swirl around whether the $45 billion spent on the vehicles was truly worth it. "What do we get for the effort?" Biden, who as a senator was instrumental in obtaining funding for MRAPs, asked rhetorically at an Oct. 1 ceremony at the Pentagon. "Well, we got...