Oh, well... when you put it like **that**, of course they support marriage-- why would they lobby for the right TO marry if they didn't think the basic idea was sound?<quoted text>
Being the political sleaze that he is it's worth pointing out that technically probably 100% of gays support marriage between one man and one woman. It's just that probably a large amount also support gay marriage.
Of course how many support what is ultimately irrelevant to the law.
They just want an equal slice of the human-rights' pie.