Click Here For Opening Marriage: Do same-sex unions pave the way for polygamy?

Reason: Opening Marriage: Do same-sex unions pave the way for polygamy?: "Would that be such a terrible thing? If someone has two, three, or six spouses of either sex, they are presumably all consenting adults; if they are harming anyone, it is only themselves. My own belief is that polygamous relationships are likely to involve imbalances of power and even psychological abuse, and that they carry a high risk of instability and stress. 'Polyamory' advocates talk a lot about transcending sexual jealousy, but plural marriages are rife with jealousy and tension even in cultures where polygamy is a longstanding tradition. (One reason plural marriage may prove far harder to legalize than same-sex marriage is that people who have been personally hurt by polygamy will be available to speak out against it.) But if that's what some people want, should the state restrict their choices for their own good? "