You do what you can to improve those ratings, sign a lot of legislation between now and then and get out among the public and make your case...and use the perks of office to increase your visibility.
You focus on the fact that there's been a challenge to the Governor within his own party, usually you don't see something like that. That's a sign of incumbent weakness.
Contest each other, point out different issues, have heated open debates... but be careful about destroying each other when it comes toward the end, they may have to throw their support to each other.
