Romer v. Evans

One century ago, the first Justice Harlan admonished this Court that the Constitution “neither knows nor tolerates classes among citizens.” Plessy v. Ferguson, 163 U. S. 537, 559 (1896) (dissenting opinion). Unheeded then, those words now are understood to state a commitment to the law’s neutrality where the rights of persons are at stake. The Equal Protection Clause enforces this principle and today requires us to hold invalid a provision of Colorado’s Constitution.

I

The enactment challenged in this case is an amendment to the Constitution of the State of Colorado, adopted in a 1992 statewide…