Some in Congress, Democrats in the main, have called for a constitutional amendment to undo the Citizens United ruling, a proposal that would seem to be a nonstarter in the current political climate. Others are left yearning for another Watergate — a juicy scandal to shake things up and perhaps, as in the past, become a catalyst for change. Martin T. Meehan, chancellor of the University of Massachusetts at Lowell and a former Democratic congressman from that state, spoke to Politico in August about the ways of Washington. “It always takes a scandal in order to get Congress to reform itself,” he said.
Foxes guarding the chicken coop and all that.
It's called "culling the herd."