[Lurking Libertarian]

So the upshot of this article is that we should redefine an institution that has framed western civilization for millennia because that redfinition makes some mule-faced Brit dyke feel all oogey?

No, it's because not recognizing her valid-under-state-law marriage is costing her $363,000 in federal estate taxes.

[IronJack]

Her “marriage” obviously doesn’t convey spousal benefits, so it can hardly be a marriage in the legal sense. Whatever arrangement she has with her fellow she-hag, it is not a legal peer to marriage. QED.