Yes they do. But nobody stops them.
Lindsey Graham Says Republicans Will Call for Obama’s Impeachment if He Makes This Move Again
How about impeachment for doing what he’s done: 1) He has violated federal law which he himself signed into law, 2) He has returned top enemy commanders to an enemy who has not surrendered - he has given aid to the enemy - treason.
I doubt the Republicans will do anything to interrupt the remainder of his term.