The dramatic exit last Friday by Rep. John Katko (R-NY), who announced he would not run for reelection, may have shocked liberals but was no surprise to Trump supporters. One by one, the Republicans who voted for the second impeachment or who publicly blamed Trump for the Jan. 6th rally at the Capitol are leaving public office. Katko was the third to prematurely retire among the impeachers, and the most significant due to his seniority and otherwise bright future. He was in line to become chairman of the House Homeland Security Committee after the predicted takeover of the House by...