Head sets replacing backpacks in Miami-Dade as students return remotely for the new academic year. Don't be surprised if there are some technical glitches as the county's 345-thousand students try logging onto the K12 Platform-which crashed during the "Week of Welcome" orientation and during the Superintendent's live webinar. Alberto Carvalho says they're more prepared now than they were in the spring and there will be lots of live teaching and engagement. He's hoping he can announce a return to face-to-face learning sooner rather than later. That includes positivity rate, hospital capacity, community spread and ability to procure personal protective equipment.