By MARK SHERMAN (Associated Press) WASHINGTON (AP) — A divided Supreme Court on Thursday struck down affirmative action in college admissions, declaring race cannot be a factor and forcing institutions of higher education to look for new ways to achieve diverse student bodies. The court’s conservative majority effectively overturned cases reaching back 45 years in invalidating admissions plans at Harvard and the University of North Carolina, the nation’s oldest private and public colleges, respectively. The decision, like last year’s momentous abortion ruling that overturned Roe v.