My neighbor keeps complaining to me that Trump isn’t been impeached yet. She wants to know when it will happen. She doesn’t want to hear that the most obvious answer is in 2018 when theDemocrats take over the House. So I explain to her that if a time comes when more Republicans in Congress feel their own jobs are in jeopardy from supporting Trump than from abandoning Trump, that’s when they could possibly move. The problem, of course, is that all those national numbers showing Trump’s cascading approval numbers are not spread evenly across districts.