...for whatever reason they choose.
Corruption. Morals. Incompetence. Take your pick.
He's starting at 37 percent approval (GWB started at 60 after a bitterly contested election).
If the (dems and media) manage to drive it down from there, the GOP won't waste much time...no way they will head into the 2018 elections saddled with a President with an approval rating in the 20s.