Education An AP history teacher who pushes kids to their limits. Four students forced home by the pandemic. And 69 days to prove whether remote learning can work for them. By As usual, Eirik Nielsen is running late. It’s a Friday in March, the day that turns out to be his last inside Burton High School, and his carpool is waiting to go home. Traffic is brutal on the Bay Bridge heading out of San Francisco, where the city’s wealth boxes out teachers and strains the lives of his students, some of the poorest in the city. As the day ends, two freshmen stop him to turn in applications for next...…Education An AP history teacher who pushes kids to their limits. Four students forced home by the pandemic. And 69 days to prove whether remote learning can work for them. By As usual, Eirik Nielsen is running late. It’s a Friday in March, the day that turns out to be his last inside Burton High School, and his carpool is waiting to go home. Traffic is brutal on the Bay Bridge heading out of San Francisco, where the city’s wealth boxes out teachers and strains the lives of his students, some of the poorest in the city. As the day ends, two freshmen stop him to turn in applications for next...WW…