>> acting dhs secretary, acting head of ice. how much do these temporary position dos to drive the president's agenda. is it pro, con? >> it's not helpful to anybody to have major chunks of the government filled with temporary chiefs. no less than the acting defense secretary as we're on the verge of potential military con flifl with iran. this president made aappointments that have not worked out. his relationships with them haven't worked out. they haven't been confirmable. with patrick shanahan you had