... gets a divorce. To be fair, his long-running coordinated attempt to deny others the right to any civil marriage at all was only a means to an end - using fear to win elections. It wasn't about marriage as such, or gays as such. Rove isn't a homophobe in private by all accounts; he just knows how to exploit the fears of those who are.
[Update: Greenwald, forced into exile because his own partner cannot reside in the US, takes a tougher line on Rove's marriage cynicism here.]