Air Force leaders have reversed an Obama administration decision on the A-10 attack plane known as the Warthog. The previous administration had decided to retire the aircraft, viewing it as an unaffordable extra in what had been a time of tight budgets. Three years ago the Pentagon proposed scrapping the Warthog fleet as a way of saving $3.5 billion. Congress rejected that idea. Each of the next two years the military tried again, putting off the Warthog's retirement a bit further in the future each time....