UPDATED AT 5:10 P.M. EST The Supreme Court looks prepared to decide the future of affirmative action in higher education. That is the upshot of the high court's decision this morning to hear arguments in two linked lower court appeals that challenge race-conscious admissions processes at Harvard and the University of North Carolina. If those challenges succeed in convincing a majority of justices that using race as a factor in admissions violates the Constitution, every one of America's...