Biden uses Air Force Two and Marine Two like a taxi service, says author of a book about the Secret Service Democrats outraged at the huge cost of Melania Trump remaining in New York so Barron can finish his school year But Air Force records show that VP Biden would think nothing of flying back and forth to Wilmington multiple times on the same day From the time Biden took office in January 2009 until March 2013 the vice president's trips cost taxpayers $979,680 for fuel and maintenance In addition, Secret Service rents more than 20 condominiums in Greenville, Del.,...