Nobel laureate and former Costa Rican president Oscar Arias says the US has revoked his visa, and while he wasn't given a reason, he thinks he may know why. Arias, who won the Nobel Peace Prize in 1987 for the part he played in bringing about the end of the conflicts in Central America during that decade,

Arias Sánchez, the former president of Costa Rica who was awarded the Nobel Peace Prize in 1987, has had his visa revoked without explanation this week. The New York Times reported that Sánchez has been a "vocal critic" of President Donald Trump and that the rescission of his visa "appears to be the most high profile in a string of individuals who have had their visas canceled or been denied entry as the Trump administration bars people who it says have 'hostile attitudes' toward the United States.