JUNE 28, 2007, will be remembered as a shameful day in the long, elusive battle to instill equal opportunity in American schools. The U.S. Supreme Court's twisted logic in limiting a school district's ability to take race into account as a way to end racial segregation echoes the court's Plessy vs. Ferguson ruling of 1896. That ruling put the imprimatur on "separate but equal" policies that allowed racial discrimination and oppression to flourish for more than half-a-century more. The 1954 Brown vs. Board of Education decision, fortunately, drove a dagger into Plessy's heart -- until Thursday, when a court invigorated...