In an interview with the Pittsburgh Tribune Review, Donald Trump Jr. said the reason his father won’t release his tax returns is that people would ask “questions that would detract from (his father’s) main message”:

Um, isn’t that how it’s supposed to work?

Anyway, the Trib didn’t post a full transcript so we don’t know what else Trump Jr. said, but the remarks have already left a mark:

We expect a clarification shortly.