The ideological battles on college campuses have reached a new pitch in recent months, leading to high-profile presidential resignations and calls for more. This week’s guest on Say More says this is all part of a long-standing campaign to destabilize and overhaul higher education, funded by billionaires on the right. Nancy MacLean is a historian at Duke University. Nancy tells host Shirley Leung about the money behind these campaigns, the playbook, and what lies ahead in the battle over higher education. Email us at [email protected].