The U.S. House on Thursday overwhelmingly adopted an amendment to the 2015 defense appropriation bill that would prohibit the Pentagon from spending any money to retire the A-10 Thunderbolt II jet — a mainstay of Davis-Monthan Air Force Base. But the fate of the venerated “Warthog” close-air-support jet remains far from certain, as the Senate still must act, and the issue will likely be hammered out in conference committee. The amendment’s bipartisan adoption was a victory for Rep. Ron Barber, a Tucson Democrat, and other A-10 supporters, who were chagrined when the House Appropriations Committee left A-10 funding out of...