>>If marriage is a fundamental right as opposed to a privilege I can see this argument coming up in the future based on the 1st and 14th amendments.
>>
>>>Why don't we ever see one woman marrying many men?
>
>Marriage is a religious entity, so I can see how an athiest or agnostic might think it's okay to marry a ______________. (fill in here)

Then I take it you object to the fact that a judge or a jp or the captain of the ship can perform a marriage?

Marriage was a religious entity once upon a time, but that has long since been usurped by the state.