Jeh Johnson, Cory Booker

Jeh Johnson, Cory Booker

Jeh Johnson, President Barack Obama’s choice to become Homeland Security Secretary listens at left as Sen. Cory Booker, D-N.J. speaks on Capitol Hill in Washington, Wednesday, Nov. 13, 2013, during the Senate Homeland Security and Governmental Affairs Committee hearing on Johnson’s nomination. (AP Photo/Carolyn Kaster)

Jeh Johnson, President Barack Obama’s choice to become Homeland Security Secretary listens at left as Sen. Cory Booker, D-N.J. speaks on Capitol Hill in Washington, Wednesday, Nov. 13, 2013, during the Senate Homeland Security and Governmental Affairs Committee hearing on Johnson’s nomination. (AP Photo/Carolyn Kaster)