He says he is in favor of traditional marriage. If you’ve been hired as his spokesman, then show your credentials.
At that point, that’s what we have to go on. What he says.
Waiting to find out what is meant by ‘evolving on gay marriage, but believe in traditional marriage between one man and one woman.’
My guess is just a guess, but I think it probably means “have come to understand what their side is saying.”
My credentials are the ability to read his words.