Billy Nungesser, president of New Orleans’ Plaquemines Parish, sensed that a chart showing 140 oil skimmers at work -- a chart given to him by BP and the Coast Guard -- was “somewhat inaccurate.” So, Nungesser asked to fly over the spill to verify the number. The flyover was cancelled three times before those officials admitted that just 31 of the 140 skimmers were actually deployed. The incident is detailed in a report released Thursday by Republicans on the House Oversight and Government Reform Committee. Republicans say the report provides evidence that the Obama administration misrepresented the assets devoted to...