We explore a growing military-civilian divide and how it shapes our thinking about defense and foreign policy.

As snowstorms hit the Middle East, life for 600,000 Syrian refugees grows more precarious. The human face of Syria's civil war.

Afghan President Karzai is in Washington for talks on the future U.S. role. Syria agrees to a major prisoner swap. And Venezuela postpones the inauguration of ailing President Chavez. A panel of journalists joins Diane for analysis of the week's top international news stories.

President Obama announces his choices for key second-term positions. Vice President Biden meets with gun control advocates and the NRA. And new mortgage rules target risky lending. A panel of journalists joins Diane for analysis of the week's top national news stories.

As a pretrial hearing for Army Pfc. Bradley Manning continues, attorneys debate the accused's alleged motive for leaking the documents.

Secretary of State Hillary Clinton's testimony on Benghazi, Libya, and understanding security risks in North and West Africa.

General Stanley McChrystal commanded U.S. and NATO troops in Iraq and Afghanistan. In a new memoir, McChrystal writes about his life in the Army and tells his side of the Rolling Stone profile that led to his resignation.

In a pretrial hearing in Fort Meade, Md., a military judge reduced the potential sentence for Army Pfc. Bradley Manning for his role in the WikiLeaks case, citing the illegal pretrial punishment he suffered.

The effect whistleblowers have in the field and implications of the Chuck Hagel and John Brennan nominations.