A leading Republican candidate for president, Sen. John McCain, tells CFR.org the country needs to unite over issues ranging from Iraq to immigration.

MORTON H. HALPERIN has been on both sides of the fence. Now a senior fellow at the Council on Foreign Relations, Halperin worked for the Defense Department during the Vietnam War. And for 21 months d…

President Hollande’s state visit was an attempted boost for the United States’ lead EU security partner and a sign of a more activist foreign policy in the White House, says CFR’s Charles Kupchan.

Michael Krepon, a well-known expert on South Asia and nuclear nonproliferation, says that the U.S.-India nuclear agreement is likely to weaken efforts at strengthening nonproliferation of nuclear wea…