Yep! Limiting gay special rights. We are now a lawless society.
That's not exactly what happened. It was the U.S. Supreme Court that ruled the Colorado amendment violated equal protection clause of the 14th Amendment to the U.S. Constitution and thus was invalid. The case was Romer v. Evans. Here's a link.
Actually DaveyB was correct in a sense. The amendment was first tossed by a state trial judge, later affirmed by the Col. S. Ct. and ultimately affirmed by the USSC.