(Politico) The Senate is on the verge of an extraordinary rebuke of Donald Trumps foreign policy underscoring a bipartisan willingness to encroach on the presidents powers as commander in chief. From forcing Trump to impose sanctions on Russia to raising questions about his nuclear trigger finger lawmakers are repeatedly asserting themselves in an area long dominated by the executive branch. And now the fury is so great on Capitol Hill over the Saudi murder of Washington Post columnist Jamal Khashoggi and the Trump administrations tepid response that senators are deliberating over whether to pull U.S. support for the Saudi-led coalition fighting in Yemen