LATEST: Among those Trump is weighing for chief of staff, or has at least mentioned as a possibility, are acting AG Matt Whitaker, U.S. trade rep Bob Lighthizer, budget director Mick Mulvaney and Rep. Mark Meadows, I’m told.

Treasury Sec Mnuchin not being considered at moment.

— Jennifer Jacobs (@JenniferJJacobs) December 9, 2018