Overview: Tonight's program is live from Israel. Tom Friedman of The New York Times and author of Hot, Flat and Crowded and David Remnick of The New Yorker are interviewed about the situation in the Middle East. CNN's Anderson Cooper and Dr. Sanjay Gupta report from Japan on the nuclear crisis. Matthew Wald, the The New York Times' nuclear and former New York Mayor Rudy Giuliani are interviewed regarding the crisis. CNN's Arwa Damon in Libya and CNN's Wolf Blitzer in Tunisia, traveling with U.S. Secretary of State Hillary Clinton, also file reports.