NEW YORK -- President-elect Donald Trump is expected to name a top Goldman Sachs executive, Gary Cohn, to lead the National Economic Council, handing the Wall Street veteran significant sway over his administration's economic policy. The council includes the heads of various departments and agencies and works within the administration to coordinate economic policy. As director, Cohn would be in position to advise Trump as he attempts to fulfill some of his chief campaign promises, including lowering corporate taxes and rethinking U.S. trade policy. Trump intends to formally name Cohn to the post, which does not require Senate confirmation, but additional details remained...