PARIS — The United States has changed its attitude on European allies funneling defense funds to local arms industries, and will be “pragmatic” about governments choosing to buy military equipment domestically, according to a senior U.S. defense official. If countries spend 3.5% or 5% on defense, “we understand that you’re going to need to indigenize a large fraction of that production,” Elbridge Colby, the under secretary of defense for policy, said at a Feb. 13 side event of the Munich