TribLIVE's Daily and Weekly email newsletters deliver the news you want and information you need, right to your inbox. As a parent of two remotely schooled Pittsburgh Public Schools students, I am extremely concerned about my children’s education and mental health during the pandemic. For almost a year now, I’ve watched my children stare at screens for eight hours a day and complain that they think they are learning very little. Their words, not mine. I am pleased that Mayor Bill Peduto has finally reached out to the governor in an appeal to accelerate the vaccination of teachers. But please explain to me: Why is this necessary for teachers under age 65 and without preexisting conditions? Why is it that healthy teachers need a vaccination before returning to work when