"If we had not been able to do that there would have been a week or two of no flying," Mr. Chertoff said. "Being able to rule things out is as important as being able to rule things in."
White House defends ICE, Border Patrol from California attacks →
Democrats Janet Napolitano and Jeh Johnson, and Republican Michael Chertoff said the department will need months to get a program up and running, and to provide certainty for employers who rely on the illegal immigrants.
White House warns Democrats not to 'hold the government hostage' as budget talks resume →