Marvin Kalb, a former host of Meet the Press and professor at the

Kennedy School of Government at Harvard, talks about the media and US

relations with Iran and Russia; Christopher Preble, director of

foregin policy studies at the Cato Institute, discusses the

Afghanistan War and other global issues; Jarrod Agen, a spokesman for

Giuliani, discusses why he joined the campaign and where Giuliani

stands on political issues.