Iran said on Saturday that it would stop American citizens from entering the country, in retaliation for Mr. Trump’s order. One of the most celebrated examples is the so-called Ping-Pong diplomacy that helped open the relationship between the United States and China in the 1970s. In wrestling, the United States, Iran, Cuba and Russia banded together in 2013 to persuade the I.O.C. American wrestlers and officials are warmly welcomed in Iran, and Iranian wrestlers compete regularly in the United States. players, Thon Maker and Luol Deng, were born in Sudan, one of the seven countries listed in Mr. Trump’s executive order.

Source: New York Times January 29, 2017 01:10 UTC