Nobel laureate and former Costa Rican president Oscar Arias says the US has revoked his visa, and while he wasn't given a ...

Former Costa Rican President and Nobel Peace Prize winner Oscar Arias said Tuesday that his U.S. visa was revoked without ...

Donald Trump’s telephone calls with Vladimir Putin hearken back to Franklin Roosevelt’s way of handling Joseph Stalin.

At the Kroc School we're ending cycles of violence and shaping more peaceful and just societies through innovative teaching, ideas and research. Our signature events present preeminent peacebuilders ...