July 6 through 8 will mark summit talks between President Barack Obama and Russian President Dmitry Medvedev. On the table: Iran, Afghanistan, nuclear arms reductions, proliferation, and a possibly treaty on cyber-security.

Guests:

Larry Caldwell, Professor of Politics at Occidental College. He's a Russia expert who served in the Office of Soviet Analysis at the CIA

Charles Kupchan, Senior Fellow at the Council on Foreign Relations and professor of International Affairs at Georgetown University

Tom Kellermann, vice president of Security Awareness, Core Security Technologies and a member of the Commission on Cyber Security that is advising President Obama