By David Alexander WASHINGTON (Reuters) – Moving to curb predatory sales practices targeting U.S. military personnel, the Pentagon said on Friday it was reforming its payment system for troops to prevent them from using direct salary deductions to buy consumer goods like cars and computers. Under the reforms that go into effect Jan. 1, 2015, military personnel will no longer be able to have the Pentagon directly deduct money from their salaries to make installment payments for personal property like cars, washers and dryers or big-screen televisions, a defense official said. …