

Really specific here, but font control.
Us folks with dyslexia in its various expressions have trouble with command line. If you can’t read a specific command, good luck ever getting comfortable with it. You can’t error check yourself, so until you build up memory, you’re kinda screwed if you can’t use the fonts that are available.
You’re asking at least two questions, three imo.
The first is the title question, which is a fairly obvious: not currently, and it’ll be a while before it’s realistic.
The second is about the balance of traits that makes someone acceptable as a candidate that could win.
The third is your husband in particular.
You did indeed list off some of the more salient traits that would factor in. If an openly gay man is gone to be elected the first time, there’s a high chance he’s going to be white, and at least pretend to be christian.
But your husband? Probably not. You mentioned a lot of things, but not public awareness or previous elected offices. Having not held office before isn’t a total fail, but being a complete unknown? Never happen in the modern age. There’s no way he’d even get the party nomination, much less win. That kind of thing would end up wrecking him if he was hetero at a presidential level. In congress? Yeah, doable. But not for president.