On most mornings, Zach Zarba follows the same routine. He wakes up with his two sons, ages 7 and 5, feeds them and then moderates what he calls “the breakfast sessions.” Zarba is one of the millions of parents across the country forced to adapt in the midst of the novel coronavirus pandemic. On March 11, he was one of the NBA’s top referees. Every weekday since he’s been a reading and writing teacher.