Robert Lighthizer — who served as Donald Trump’s U.S. Trade Representative — is on a mission to “convince lawmakers and the public that their plans for dramatically higher tariffs will energize the economy instead of tanking it,” Politico reports. “According to a document viewed by POLITICO,” the news outlet notes that Lighthizer “and those close to him are preparing to aggressively sell their plans for massive new tariffs on imports that will go far beyond anything seen” during the president-elect’s first term. Politico reports: Though no final decisions have been made, Trump could start, as …