First there was Eisenhower/Khrushchev, then Nixon/Brezhnev, followed by Reagan/Gorbachev. Each time a Republican president tried - not always successfully - to bring about an understanding with Moscow. We are now in the Trump/Putin era. Here is a good piece in the Nation on the chances of a Fourth Detente: https://www.thenation.com/article/the-fight-over-a-trump-putin-detente-begins/
