If he wins, he can run for president.
Not in 2020 though. I don't think two years as Governor and 5 years as state senator are enough.
Potential VP pick maybe ?
Ignorant Progressives hate southern since they think that if you're a white male from the south you're automatically racist, sexist, misogynist, homophobic, islamophohic, etc.
Indeed, being a white man from the south is a hurdle no Democrat can ever overcome. It's why Bill Clinton, Al Gore, and John Edwards were never able to make it onto a Democratic presidential ticket.