Habib Essid discusses developments in Tunisia, and the current situation in the MENA region.

David Miliband discusses the effectiveness of Western policies in Afghanistan, challenges and opportunities in the current military and political climate, and practical proposals for moving forward.

ISOBEL COLEMAN: Good afternoon. Good afternoon, everyone. We have a really terrific panel today, so we're going to get started a few minutes early to allow us maximum time for discussion. And before…

The members of the recently formed Congressional National Security Task Force discuss their goals for protecting the U.S. homeland.