According to comprehensive foreign media reports, Steven Mnuchin, who served as Treasury Secretary during Trump's first term as president, said he would not join the new Trump administration, but was willing to offer suggestions, including how to strengthen sanctions against Iran and Russia and control the growth of U.S. debt. In an interview, Mr. Mnuchin said the US Treasury must work to strengthen trade policy. Mr. Mnuchin declined to name a favourite for Treasury secretary. Mr. Trump had also...