Every weekday evening, our editors guide you through the biggest stories of the day, help you discover new ideas, and surprise you with moments of delight. Subscribe to get this delivered to your inbox . HORST FRIEDRICHS / ANZENBERGER / REDUX Limbo is too gentle a word. For many parents, the uncertainty around school reopenings amounts to a daily strain, as they contemplate another full season of juggling child care and career. Clear answers remain out of reach, for now, but here are three factors worth keeping in mind: 1. Not all kids will be able to follow the new pandemic rules. “K–12 students may generally be capable of doing what public-health experts ask, but not all of them, not everything, and not all the time,” Joe Pinsker explains. 2. Outdoor classes may be the solution. Olga Khazan reports: “Though it isn’t free of problems, learning outside might be the only way to provide parents with a break, kids with an adequate education, and teachers with protection from the...