I talk about gay mar­riage a lot because I believe that it has inter­est­ing fea­tures and con­se­quences beyond those com­monly sub­ject to dis­cus­sion. For exam­ple, in my Law Review arti­cle, “Same-​​​​Sex Mar­riage and the Fed­eral Spousal Priv­i­leges,” I argue that vari­a­tions in state laws deal­ing with gay mar­riage cre­ate a sit­u­a­tion where fed­eral courts may be faced with a novel choice-​​​​of-​​​​law ques­tion: To which state’s laws should a fed­eral crim­i­nal court look to deter­mine the valid­ity of a mar­riage for pur­poses of apply­ing the spousal tes­ti­mo­nial and com­mu­ni­ca­tions priv­i­leges to same-​​​​sex mar­riages under Fed­eral Rule of Evi­dence 501. (That arti­cle was fin­ished in April, 2009, and has [ . . . ]

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