First of all, presidents don't behave the way you imagine.
Secondly, LBJ was THE best president arm twisted. Most other presidents have never had the Congressional control that he had; however, even LBJ couldn't keep everyone in line.
I grew up in the midst of politics, politics was as mother's milk to me. Unlike you, I actually know and understand this stuff.
You don't understand squat. You are dead wrong. Members of the President's party will not make any deal with the President's appointments without at least informing the White House. If they did it blind-sighting the White House, they would permanently face the wrath of the President. Politics could be your mother's milk, but you are probably lactose intollerant.
I loved your put-down of econ-grad in post 971. I think everyone needs to cool off a bit and see how this all plays out now. My biggest take is that three of the "MOST EXTREME CONSERVATIVE JUDGES" are going to be confirmed right away. That's going to be very hard for the Demodog base to recover from...