Watch U.S. Department of Homeland Security Secretary Michael Chertoff reflect on government actions during crises and lessons learned from his time in the Bush administration.

Watch U.S. Secretary of Homeland Security Michael Chertoff discuss port security and immigration.

12:15–1:00 p.m. Lunch1:00–2:00 p.m. MeetingSeating is limited.

DAVID WESTIN: Good afternoon. I'm David Westin, and I'm privileged to be able to be here with the secretary today. I have a few remarks and I have a script here. I'll make sure I get them all right…

Representative McCaul discusses U.S. national security, including the Russian invasion of Ukraine, the resulting global energy concerns and China’s response, as well as the U.S. withdrawal from Afgha…