President Donald Trump and White House allies pushing for a harder line on immigration sped their campaign Monday to clean house at the Department of Homeland Security with a mission far wider than just the departure of Secretary Kirstjen Nielsen.
The head of U.S. Citizenship and Immigration Services, L. Francis Cissna, and Homeland Security General Counsel John M. Mitnick are expected to be leave their positions, according to people familiar with the matter.

