A source for what? That Carl's a gay man? It's never been a secret. I followed his work at the Performance Institute think tank for years.
You asked for a source, so here's a 2007 interview: Carl DeMaio
He's absolutely the best candidate running for mayor.
Just so you know, I donated to Carl. I agree with you that he is the best candidate by far. I have no problem with him either way, I just was not aware that it was known. If so, it’s a shame, because it will impact his ability to advance to a national stage.