Of COURSE gay couples should be able to adopt children. Why not? I've seen no valid argument against it, and several valid arguments for it. Number one, the kid would grow up much more accepting and open-minded. Number two, there are so many kids in orphanages and foster homes waiting to be adopted...so what if they find a loving home and happen to have two moms or dads? They wouldn't care, the kids would be happy to finally be part of a loving family and not have to worry about the uncertainty of not having a home or family and the parents would have a child that they can love and care for. Number three, as has been mentioned many times, there's nothing unnatural about homosexuality. So the bible claims it to be a sin. Who cares? People who allow all their thoughts and beliefs to be dictated by a book that at best could be called a work of fiction need to wake up and learn to think for themselves.
The only argument against this I've seen, which is total BS, is that the kids will get picked on. Yeah? Kids will pick on EVERYONE because kids are arrogant, cruel little shits. I was constantly picked on until I was 17 because I wear glasses, I'm very smart, and I don't go along with the crowd. But if a kid from a young age sees a family with same-sex parents, they won't 'learn' that there's something wrong with this, and will be more accepting of it.
And about the whole "kids do what parents do" thing....what a total load of shit. I have many gay/bisexual friends, and only one of them has a gay relative. Even myself....I wouldn't quite say I'm bi, more that I'm straight but willing to experiment, but in no way, shape, or form is there anyone in my family that's gay or bi. It's just how I am, because I'm my own distinct person. As are my friends. As is every single person on this earth. Yes, people are influenced by those around them, but in the end everyone is different. And even with this whole the parent will rub off on the kid thing, that's assuming that you can choose to be homosexual....which really, I don't think you do. Who you're attracted to or fall in love with is NOT something that you can control. Ronny said it best on the 2nd page of this: You fall in love with a person, not a gender.