Conversation so far:
How is NIxon associated with the Soviet Union?
Nixon used the improving international environment to address the topic of nuclear peace.
Did he travel to the Soviet Union?
The President and First Lady arrived in Moscow on May 22, 1972.
Who did they deal with while they were there?
met with Leonid Brezhnev, the General Secretary of the Communist Party; Alexei Kosygin, the Chairman of the Council of Ministers.
Were they successful with what they were trying to accomplish?
agreements for increased trade and two landmark arms control treaties.
Are there any other interesting aspects about this article?
both China and the Soviet Union cut back on their diplomatic support for North Vietnam.
Did the soviet leader ever come to America?
CANNOTANSWER.

Question: Who went with nixon to the Soviet Union?
Self-contained rewrite: Who went with Richard Nixon to the Soviet Union in 1972?