Senior U.S. defense officials have held talks about producing weapons and other military supplies with top executives of companies including General Motors (GM.N), opens new tab and Ford Motor (F.N), opens new tab, the Wall Street Journal reported on Wednesday, citing people familiar with the discussions. The preliminary and wide-ranging talks, which started before the war in Iran, come as the Trump administration wants automakers and other American manufacturers to play a larger role in weapons production, the Journal said. Defense officials told the newspaper that American manufacturers might be needed to backstop traditional defense contractors and asked whether the...