However, it clashes with the 2003 Lawrence v. Texas that holds a state has no compelling interest to regulate such activity.
I suppose a case could be made that there is a compelling interest to forbid polygamy under the assumption that up to 15% of the male population would not marry leading to severe social problems.
Roe v. Wade...
Society has no right to intervene in private reproductive choices.
Doesn't a woman have the "right to choose" several husbands???