Wow, I never saw this coming. JK herself confirmed it..
Heres the article.
I never actually considered him being gay. But now that I think about it, its so true! He never had a girl mentioned w/ him in the book besides his mother and sister, and the only major character that affected him was a guy...
I don't have a problem with this, but I'm sure a bunch of mothers just threw out the book from their little children.