The Brown family (of the reality TV series "Sister Wives") has taken up the banner of religious freedom and is fighting for polygamy to be legal in Utah (not just decriminalized -- which they already accomplished). Hopefully this will be the case that goes all the way to SCOTUS and removes the ban for the whole country. Article here and a relevant quote from it...
""Sister Wives" stars Kody Brown and his four wives Meri, Christine, Janelle and Robyn are reportedly pushing for polygamy leg
It's actually quite simple. You define it by what it is, not by how they talk about it.
Here's a very straightforward test: If one of the plural wives divorces the husband, does that dissolve the other marriages? If so, then it's a single mega-marriage; but if not, then it's multiple concurrent marriages that are distinct from one another.
Here's a thought experiment: suppose a couple get married, and it's the first marriage for both of them. Both parties believe in polygamy, so they h