A sharply divided Supreme Court…decided to make it harder for Americans to sue businesses for retaliation and discrimination, leading a justice to call for Congress to overturn the court’s actions. The court’s conservatives, in two 5-4 decisions, ruled that a person must be able to hire and fire someone to be considered a supervisor in discrimination lawsuits, making it harder to blame a business for a co-worker’s racism or sexism…‘‘Both decisions dilute the strength of Title VII [of the Civil Rights Act of 1964 prohibits employment discrimination based on race, colour, religion, sex and national origin]in ways Congress could not have intended,’’ said Ginsburg, who then called on Congress to change the law to overturn the court…‘‘Deferring to the powerful at the expense of the powerless, the Supreme Court majority has imposed a heavier burden for victims of workplace harassment and discrimination seeking justice in our courts,’’…‘‘This decision makes it far easier for employers to evade responsibility for discrimination and harassment in the workplace.’’[said Alliance for Justice’s President]…