Great Debate! I'm glad to finally find a sermon on this site that includes the right side of this argument. Listen very carefully to both sides and don't go with your knee-jerk reaction. Actually think about the long-reaching messages of the Bible and the not specific verses that are so easy to take wildly out of context.
A hard question indeed I wouldn't put too much store in that particular news article. Homosexual behavior has been observed in over 1500 animals species and well-documented in 500 of them.
I do appreciate, though, your continued effort to address the controversial topics most Christians are afraid to address, and I also appreciate your dedication to asking many questions before coming to a conclusion and also your reserve at passing judgment. Your take on homosexuality is decidedly more even-handed than most sermons I've heard. With your humble attitude and your continued dedication to dealing with the difficult issues, I believe your worldview will continue to change in the right direction: towards that of God's love for everyone.
The rate among identical twins should be 100%? When one identical twin has multiple sclerosis, their twin has 1 in 4 chance of having it, too. NOT 100%. "Just" 1 in 4, but still a lot higher than if they were just parent/children, or not relatives at all. Not all genetic conditions are 100% similar among identical twins.