The other small carrots we've given over the years have put us smack-dab into the current issue.
If you want to keep civilization intact, gay civil unions will just as easily destroy the core of our societies. There's no difference between gay marriage and civil unions except in the spiritual sense. The impact will be exactly the same.
I just don't understand how gay civil unions threaten our civilization. Perhaps you can enlighten me. If you can do so without referencing the bible, I will be impressed indeed.