This may end with Jon removing Sansa’s head for giving away their position to a force allied with the Lannisters if her underhanded move results in a double cross by Littlefinger. She still hasn’t learned from the first season that her lies can get people killed.

“Can control” just means that Bran has the ability to do so not that he can or will do so correctly or always avoid mistakes. The same principle applies to people who know how to drive a vehicle. A driver can control his car, but he may one day run a red light or speed from time to time. Bran warged into a person of…