
A pair of billionaires were sparring again on Twitter on Saturday, with Mark Cuban challenging Elon Musk over his views on affirmative action.
It began when Mr Musk responded to a quote-tweet from venture capitalist Marc Andreessen bemoaning that the US higher education is “ditching merit in favor of an affirmative action regime” as evidenced by Columbia University’s decision to stop requiring SAT or ACT scores for its undergraduate applicants.