School's back, but only for some

With some kids back at school already and others heading back to class today, how vulnerable are we all to another Omicron surge, and who's really making the decisions about whether it's safe to go back? Today we talk to the ABC's national education and parenting reporter, Conor Duffy, about the power of education unions across the country and the influence they've had in keeping schools closed in some states.  Featured:  Conor Duffy, ABC national education and parenting reporter