Republican lawmakers were left shaking their heads after President Trump’s Monday’s press conference with Russian president Vladimir Putin, in which Trump declined to endorse the American intelligence community’s assessment that Russia interfered in the 2016 presidential election. Senator John McCain (R., Ariz.) called it “one of the most disgraceful performances by an American president in memory” and a “tragic mistake” in a statement. “No prior president has ever abased himself more abjectly before a tyrant,” McCain said. “The damage inflicted by President Trump’s naiveté, egotism, false equivalence, and sympathy for autocrats is difficult to calculate.” House speaker Paul Ryan also...