I think he means Lawrence v. Texas, which overturned Romer.
Two separate decisions,actually. Romer v. Evans struck down a voter referendum while Lawrence v. Texas struck down sodomy laws in every state in the union.
I think Colson is correct that the Council of Grand Ayatollahs will impose gay marriage by a stroke of the pen shortly - three years at the outside. Grand Ayatollah Kennedy will likely author the decision. The amendment would be wonderful, but I think that an Article 3 law that forbids judicial review would be the best route short term.