Polygamy

We need to legalize polygamy, too. Legalized polygamy in the United States is the constitutional, feminist, and sex-positive choice. More importantly, it would actually help protect, empower, and strengthen women, children, and families.

http://www.slate.com/articles/double_x/doublex/2013/04/legalize_polygamy_marriage_equality_for_all.html

Sweden's Centre Party has ditched proposals allowing for polygamy and changes to inheritance rights from its new party programme following rifts in the party.

http://www.thelocal.se/46226/20130216/#.UW7OQpNYNS8