A POLITICAL sidebar that made surprising news the last few weeks is a phrase in a 1985 job application from now-Judge Sam Alito questioning the Warren Court's reapportionment decisions. That tidbit sent shock waves through the political and pundit classes. It shouldn't have. Justice-to-be Alito's statement wasn't an attack on equality, voting rights, or protecting victims of racial discrimination. It was a simple observation that a liberal court created a doctrine that, however salutary, has significant problems. Americans have long embraced the ideal of equality from ''all men are created equal" forward. Equality did not mean identical political influence in...