I believe bill is a sociopath, hillary is a devout communist.
How about them being both sociopaths and socialistpaths?
Get two birds (vultures) with one word.
Can't you just picture Bill as a preening Dove or Peacock (that word has a lot of Freudian possibilities re Bill) while Hillary would look like a vulture searching for a carcass for lunch?
As they say, "Birds of a feather crap on everyone".