Dr. Jorge A. Caballero went viral on Twitter when he announced his resignation from Stanford University. The former clinical instructor says Stanford repeatedly passed him over for career advancement after he spoke up about racial bias in the residency selection process in 2014. His inspiration? Journalist Nikole Hannah-Jones, who recently declined an offer of tenure at the University of North Carolina — which had been delayed when a conservative donor had objected to her hire. Caballero chats with host Cecilia Lei about what it means to push back on historically white institutions, and what led him to step away from medicine. | Unlimited Chronicle access: sfchronicle.com/pod

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