The US Senate left Washington DC on Saturday night for its monthlong August recess without a deal to advance dozens of Donald Trump’s nominees, calling it quits after days of contentious bipartisan negotiations and the president taking to social media to tell Senate Democratic leader Chuck Schumer to “GO TO HELL!”

Without a deal in hand, Republicans say they may try to change Senate rules when they return in September to speed up the pace of confirmations. Trump has been pressuring senators to move quickly as Democrats blocked more nominees than usual this year, denying any fast unanimous consent votes and forcing roll calls on each one, a lengthy process