Billionaire Harvard University donor Ken Griffin said Tuesday he has stopped financially supporting the university, accusing elite institutions of creating “whiny snowflakes” instead of focusing on education. Griffin, the founder of Citadel and worth more than $30 billion, has contributed some $500 million to Harvard in his lifetime. At the MFA Network Miami conference, he told CNBC in an interview he has stopped the donations but would “like that to change.” “And I’ve made that clear to members of the corporate board. But until Harvard makes it very clear that they’re going to resume their role as educating young American...