News app and the cbs evening news is next. we ll be back here on the kpi captioning sponsored by cbs whitaker: tonight, a major milestone in the race to vaccinate america, and as the new school year approaches, the debate over masks in the classroom heats up. covid cases among children skyrocket, and frustration boils over in florida. the governor there banning schools from making masks mandatory. plus news about a plan to provide booster shots. raising the stakes: a former aide to governor cuomo files a criminal complaint, accusing him of groping her. the governor s lawyers fight back. roaring inferno: dramatic video of california s relentless dixie fire growing bigger by the hour. reporter: two towns erased from the map in 24 hours.