The explanation is simple. He's a shill for all the greedy mofos. He's going to continue to stagger around like a bull in a china shop, as long as the rest of the Republicans are afraid of him. Since there seem to be deep incursions into the Republican by the Russians, I suspect that a lot are beholden to them for something.
If you get to thinking you’re a person of some influence, try ordering somebody else’s dog around.