Ex-Costa Rica president says US visa revoked after criticism of Trump

Former Costa Rican president and Nobel winner à“scar Arias said on Tuesday that the US had revoked his visa to enter the country, weeks after he criticized Donald Trump on social media saying he was behaving like "a Roman emperor". Arias, 84, was president between 1986 and 1990 and again between 2006 and 2010. A self-declared pacifist, he won the 1987 Nobel peace prize for his role in brokering peace during the Central American conflicts of the 1980s. Arias also promoted a free trade agreement with the US during his last term and in 2007 established diplomatic ties with China….