In 1966, a year after the Voting Rights Act began liberating millions of southern blacks, New Yorkers challenged a political system that weakened their voting power. Andrew W. Cooper (1927-2002), a beer company employee, sued state officials in a case called Cooper vs. Power. In 1968, the courts agreed that black citizens were denied the right to elect an authentic representative of their community. The 12th Congressional District was redrawn...