it fills me up, it makes me feel whole again. i m sorry, i get emotional. reporter: and tomorrow, the boston marathon back to its usual 30,000 runners for the first time since 2019. this, as more than a dozen broadway shows in new york city are opening this month alone. many theaters planning to drop their vaccine mandates by month s end. here in d.c., another sign of the ever-changing covid reality. howard university has once again moved its undergrad courses and final exams online. amid rising covid cases, other universities have also reinstated their campus mask mandates. linsey? back to virtual classes again. faith, thank you. officials in new jersey are investigating a possible link between cases of brain cancer and a school there. 105 former students and staff have been diagnosed with brain