Tweetie Voice is Back! After 2-week hiatus and Twitter.com ban! Teachers from states banning mask mandates are speaking out. Here's what they want you to know By Christina Zdanowicz, CNN Updated 10:36 AM ET, Sun August 15, 2021  https://www.cnn.com/2021/08/15/us/teachers-mask-mandates-trnd/index.html