The Supreme Court also struck potential blows to workers who allege sexual harassment and discrimination in the workplace with a pair of decisions Monday. In the first case, the Court narrowly defined a worker’s “supervisor” as someone who can change a person’s employment status, thus limiting legal protections for those harassed by superiors who lack such direct control. In a separate ruling, the Court backed a tighter standard for workers to prove they have been the victims of retaliation after complaining about discrimination. Both rulings were decided by a 5-to-4 vote. Justice Ruth Bader Ginsburg called on Congress to overturn them with new laws.