Óscar Arias, 84, who won Nobel peace prize in 1987, said US president was behaving like ‘a Roman emperor’Former Costa Rican president and Nobel winner Óscar Arias said on Tuesday that the US had revoked his visa to enter the country, weeks after he criticized Donald Trump on social media sayin g 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. Continue reading... ...read more read less