Sentence:  "Only Nixon could go to China" was the refrain of conventional wisdom during Richard Nixon's 1972 official visit to Mao Tse-tung's regime. Nixon's anti-communist credentials, however dubious, provided useful camouflage as he opened diplomatic relations with <WSD>Red</WSD> China and made breathtaking concessions that an undisguised liberal couldn't get away with. [https://web.archive.org/web/20061114093022/http://www.thenewamerican.com/tna/1998/vo14no16/vo14no16_dragon.htm] 
Meaning of the word marked with <WSD> tags:  Left-wing parties and movements, chiefly socialist or communist, including the U.K. Labour party and the Social Democratic Party of Germany.