Sen. Patrick Leahy taken to hospital 'out of abundance of caution' after presiding over opening of Trump's impeachment trial CNNRand Paul calls impeachment 'dead on arrival' after most Republicans signal that trial is unconstitutional CNNForty-five Republicans vote against proceeding with Senate impeachment trial Fox NewsOpinion | 3 Ways Trump’s Second Impeachment Is Different The New York TimesPro-Trump Republicans claim Senate's impeachment trial is unconstitutional.