The nadir of Donald Trump’s presidency occurred at 4.17 p.m. EST on Wednesday, hours after a pro-Trump mob had stormed the American Capitol. Four hours earlier, Trump had addressed a “Stop the Steal” rally at the Ellipse in Washington. Thousands of Trump supporters had convened to protest the alleged rigging of the presidential election and to demand that the Senate and House not certify the results that would put Joe Biden in the White House on January 20. Speaking to the Stop the Steal crowd, Trump repeated his usual claim of widespread election fraud, with a particular emphasis on Georgia....