President Obama made a surprise visit to Afghanistan Sunday, during which he spoke to American troops and had a meeting with Afghan President Hamid Karzai. To the troops, Obama said his "main job here today is to say thank you on behalf of the entire American people." The visit comes days after the president announced a nuclear deal with Russia and as Iraq forms a new government. How is the Obama administration's foreign policy evolving in its second year?
We speak to former Reagan official Lawrence Korb, who is now with the Center for American Progress.