Education reporter Jill Tucker discusses the tweets attacking Asian Americans that have prompted broad calls for the resignation of San Francisco school board member Alison Collins. She posted the tweets in 2016, but they resurfaced at a time of deep pain over racism against the Asian American community. Yet Collins has said her tweets were misinterpreted, and she has not deleted them. What happens next for her — and a school board facing numerous challenges and controversies? | Unlimited Chronicle access: sfchronicle.com/pod Learn more about your ad choices. Visit megaphone.fm/adchoices