This is just my opinion, but I really cannot see the LDS allowing gays to marry, EVER, even if NOT in the temple. And this is why:
Should they do so, and fully accept gays into their church and society as loving, fully sexual couples, they have far TOO much to lose, meaning their base: the 4 million TBM's that still believe and pay tithing. That, I do believe, would cause the majority of TBM'
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