The Trump administration’s brilliant plan to use tariffs as a means to bring manufacturing jobs back to the U.S. has run into a bit of a hitch: Not everything that the public wants can be manufactured in America. Testifying before the House Appropriations Committee Thursday, Commerce Secretary Howard Lutnick tried to brush off concerns over the president’s tariff proposals, insisting that the nation and its myriad businesses would learn self-reliance under the controversial policy. “What’s the