Doonesbury by Garry Trudeau for December 24, 1975
Transcript:
Duke: Mac, I think I've figured out why the president's sending me to China... Ford's toughening up, see, playing to the conservatives! To show that he's not being duped by the Reds, he's sending a no-nonsense career diplomat to Peking to insure that detente is a two-way street! MacArthur: Sounds reasonable. But why you? Duke: My record here, Mac - I've shown I know how to work with minorities! MacArthur: "Minorities"? Duke: And that's important, Mac - those Chinese are an especially tricky people!
and they are the most populous race in china where he is going