Everyone knows how weird and incompetent Trump is, but he has something that effectively shields him from any corrective action his Republican Party might consider. And that shield is his very personification of the characteristics of so many Republican voters. He is, after all, a generic Republican. His actions and statements are exactly what rank and file Republicans want to see and hear. He is one of their own in every sense of the word. As long as Republicans hold all the cards, and the Donald holds the trump card, impeachment is not very likely.