Obama can’t afford a single act of rebellion from within his own party because it might inspire others to do the same.
I agree that pretty much all are dirty to some extent which is why term limits are a good idea. The longer they’re in Washington the dirtier they get.
I have always believed that the one defect of the Constitution was in not limiting senators and house members to one term. And no pensions. And the really bad amendment is the 17th. One term limitation makes them much less profitable for large corporations and foundations and such if they have to keep buying the same seat every two or six years It works for foreign subornation of pols, too.