I think a better, more current example of American know how would be if Obama talked about how it was Neil Aldrin, an AMERICAN who first stepped foot and planted the AMERICAN flag on Mars.
Transcontinental Railroad - Intercontinental RR - what’s a minor typo on the screen.
What is worse - the fact he does not know or his writing staff does not?
There must be over a dozen staffers in the WH that review his speeches before loading into the teleprompter...