Affirmative action adopted by Ivy League universities such as Harvard in their admissions programs is an attack on excellence in American culture because it denies admission to other students who scored higher on the entrance exams, said Kenny Xu, author and president of the organization “Color Us United.” Moreover, the culture that disparages minority students for achieving in schools—driven by equity—leads to dumbing down the best and brightest of the next generation, Xu told EpochTV’s “American Thought Leaders” program. As a result, America may lose its competitive edge on the international arena to countries such as China or India that “have no qualms about race,” Xu warned. Harvard’s admissions system is set up to admit more black and Hispanic students who are actually less qualified than the people that have to be rejected in order to ensure racial balancing, Xu explained, adding that those people, who are cut out from …