DIPLOMACY: Bienvenido, Brezhnev!

From high over the Atlantic Ocean last week Soviet Party Chief Leonid Brezhnev sent a warm greeting to President Nixon. "Flying close to the shores of the United States of America," radioed Brezhnev, "I express my very best wishes to you, Mr. President, to the Government and the people of the U.S. I am confident that relations between the Soviet Union and the U.S. will continue to develop to the benefit of our peoples and in the interests of international security and peace." Two hours later, Brezhnev's blue and white Ilyushin-62 jet...