Why didn’t he say, “That’s a stupid hypothetical question—not worth answering. Do you have any questions worth answering?”
The question was fine. It was the doctor's answer that caused the damage. It seems the good doctor is wrong on many issues. His answer to a question about the second amendment some time back was terrible.
Doctor Carson is not a good candidate for president, nor would he serve well in the office.
He sure should have but at best he is not quick with answers.