Middle East conflict

Journalist Charles Sennott recently returned from Tahrir Square, where he was filming a documentary on the revolution for PBS's Frontline. It focuses on the young members of the Muslim Brotherhood who played an important role in Egypt's revolution.

Journalist Thanassis Cambanis puts what has been going on in Egypt in a historical context — and explains what the popularity of other political parties, like Hezbollah, could mean for relations with Israel and the United States.

A new book by journalists Douglas Frantz and Catherine Collins alleges that the CIA was so obsessed with getting information from nuclear trafficker A.Q. Khan's network, it waited too long to shut it down — and stood by while Khan and his associates spread dangerous nuclear technology around the globe.

A new HBO documentary details Wright's experiences writing his Pulitzer Prize-winning book The Looming Tower. Wright explains what he learned while interviewing sources for his book -- and talks about the challenge maintaining objectivity while researching modern terrorism.

The historian and author died Friday from complications of Lou Gehrig's disease. Judt discussed his diagnosis on Fresh Air in March 2010, explaining what he'd learned living with ALS -- and how he hoped his family would remember him.

New Yorker writer Lawrence Wright spent three weeks in Gaza late last year. Wright discusses Israel's recent easing of the Gaza blockade -- and explains what it could mean for the future of Israeli-Palestinian relations.

Attorney General Eric Holder has come under fire, mostly from the Republican side of the aisle, for the decision to try Sept. 11 mastermind Khalid Sheikh Mohammed in a civilian court — and for the handling of "underwear bomber" Umar Abdulmutallab after his arrest. New Yorker journalist Jane Mayer looks at growing partisan differences about national security.

President Obama has said he wouldn't send more troops to Afghanistan if he didn't think the security of the American people was at stake. Peter Bergen gives us an update on the threat: what's left of the Taliban and its connection to al-Qaida.

Author and activist Roya Hakakian offers her take on political upheaval in her native Iran. Hakakian emigrated from Iran to the United States in 1985, seeking political asylum.

Journalist Seymour Hersh reports that a major change in American policy toward Syria is underway. It's part of a broader strategy to bring peace to the Middle East and counter the influence of Iran.