Iran's supreme leader rejects direct talks with the U.S. Turmoil in Tunisia following the assassination of an opposition leader. And the remains of England's Richard III are found and identified. A panel of journalists joins Diane for analysis of the week's top international news stories.

Kojo explores the legal, moral and ethical questions the Obama administration's policy on targeted killings raises with a legal scholar who formerly advised Israel on targeted killings.

Kojo explores the questions that a shift in the Boy Scouts' national policy on gay members would pose for local scouts, their sponsors and their parents.

Syria claims Israel bombs military targets near Damascus. Egypt declares emergency rule in three cities. And French forces take a key airport in Mali. A panel of journalists joins Diane for analysis of the week's top international news stories.

World leaders condemn North Korea's nuclear test. The U.S. and European Union pursue a new trade pact. And Pope Benedict XVI announces his retirement. A panel of journalists joins Diane for analysis of the week's top international news stories.

Pulitzer Prize-winning author Taylor Branch argues that while we invoke Dr. Martin Luther King, Jr.'s name frequently, few understand the principles he championed or the history of race relations in America.

While drawing down a decade-long war, the administration is also reasserting its use of drone strikes and "targeted killings." We explore the debates over how the U.S. flexes its power abroad.

U.S. drone strikes have killed several high-level al-Qaida operatives, but critics argue the civilian toll is too high and there is too little transparency. The changing way we fight war.

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.