exclusion against same-sex spouses

You already know that the Defense of Marriage Act (DOMA), which prohibited recognition of same-sex marriages, was declared unconstitutional.  United States v. Windsor, 133 S.Ct. 2675 (2013)

In states recognizing same-sex marriages, ERISA benefits, like life and disability benefits provided through insurance contracts, will most likely be viewed as covering a same-sex spouse.

But