U.S. President-elect Donald Trump floated the idea of appointing Kevin Warsh as Treasury Secretary on the understanding that he could later be Federal Reserve Chairman, The Wall Street Journal reported, citing people familiar with the matter.The potential arrangement was discussed between Trump and Warsh, a former investment banker who served on the Federal Reserve Board, at Trump's Mar-a-Lago retreat on Wednesday, the Thursday report added.Trump is also thinking about appointing Scott Bessent, a longtime hedge fund investor who taught at Yale University for several years, to lead the White House National Economic Council before he could be nominated to replace...