It isn't just that the Clinton campaign uses stock photos in their ads, and didn't think to check where it had been used before, it's that someone working for the Clinton campaign actually thought that was a photograph that was smart to use.
My gaydar isn't awfully sensitive, but it's pegged at the end of the scale by that photo.
Syphilis is almost entirely a homosexual men's disease, with occasional outbreaks among promiscuous teenagers who will do anything with a pulse.