Raj Chetty, a professor of economics at Stanford University, presented a lecture called "Improving Equality of Opportunity in America: New Evidence and Policy Lessons" on Oct. 15.

A Q&A with Ro Khanna, a Stanford economics lecturer currently running to represent California's 17th congressional district.

After the lecture, students complained to Stanford officials. Their professor was suspended on October 11 while officials investigated whether his lectures utilized identity-based targeting.