We react to the news that Condi Rice is the President's pick to replace Colin Powell at the State Department.

After the death of Arafat, what's next in the effort to bring peace to the Middle East? We talk with Aaron Miller, President of Seeds of Peace and with Melissa Mahle, a former CIA field officer in the Middle East.

Bob Oakes talks with James Bamford, investigative journalist and expert on the CIA, about recent resignations at the CIA.

We talk with one of the authors of last week's startling report on Arctic warming, Mike MacCracken.

Author A.J. Jacobs made it his goal to read every word of the Encyclopaedia Britannica. He has written a book detailing what he's learned.