From Kevin D. Williamson:
Donald Trump: “I’m a wildly successful businessman.”
Skeptics: “Let’s see your tax returns.”
Donald Trump: “. . .”Donald Trump: “I was a great student at Penn.”
Skeptics: “Let’s see your transcripts.”
Donald Trump: “. . .”Donald Trump: “I didn’t tell the Times I’d go soft on immigration.”
Skeptics: “Let’s hear the tape.”
Donald Trump: “. . .”Etc.
I’m still waiting to see what grade Barack Obama made in Econ 101, but he has kept his transcripts hidden from public view. Donald Trump is doing the same thing, presumably for the same reason.