Dr. Anthony Fauci, a top adviser to two presidential administrations during the COVID-19 pandemic, reversed course in a Tuesday interview and agreed that shutting down schools for more than a year due to the virus was a “mistake” — while also arguing the initial decision to close classrooms was correct. “Keeping it for a year was not a good idea,” the former director of the National Institute of Allergy and Infectious Diseases (NIAID) told “CBS Mornings” co-host Tony Dokoupil while talking about his new memoir “On Call: A Doctor’s Journey in Public Service.”