When you do it well, you don't need to do very much at all.
In case you failed to scroll down, you may have missed the fabulous discussion of 'radical politics' going on between Tmcd, number three, and dan. Check it out.
I have only this to add: 1) I never meant to suggest that Tmcd himself was suggesting that gay people are inherently promiscuous, but I also agree (with him) that he shouldn't have gone there at all. 2) I don't think that the critique of heteronormativity involves a gay versus straight opposition. We should all be opposed to heteronormativity.