At a Zócalo/UCLA Thinking L.A. event, Michele Siqueiros, executive director of the Campaign for College Opportunity, Century Foundation senior fellow Richard D. Kahlenberg, and UCLA associate vice chancellor for enrollment Youlonda Copeland-Morgan talked with L.A. Times reporter Kurt Streeter about why racial diversity matters, how to bring more underrepresented students to campus, and what can be done to make such students feel welcome at universities in California and around the country.