Montana Public Radio People walk in front of a grizzly bear statue on the University of Montana Campus, July 7, 2021. College students will return to Montana university campuses at the end of this month. As cases of the Delta variant of COVID-19 rise, campus officials are making plans to encourage, but not require, masking and vaccines. The University of Montana in Missoula announced last week that students, staff and faculty are now asked to voluntarily wear masks indoors on campus, regardless of vaccine status. The university’s COVID-19 response team is making the request after the U.S....