It seems that given enough time DC corrupts even the best. Maybe it’s the water.
“Always the dollars, always the f_____ dollars.”
Of course you are right, it is indeed about the money. I would also add that some deeply desire to be part of the "In" crowd and be seen in all the right parties with all the right people. It is not easy to be an honest conservative in that town and I am sure it would take a toll.