The top headlines from The Kansas City Star on Friday, July 30th, 2021, including all University of Missouri campuses will require masks in class this fall, regardless of vaccination status, the National Weather Service in Kansas City has issued an excessive heat warning for the Kansas City metropolitan area and surrounding counties, the Johnson County Board of Commissioners is expected to vote next week on whether to issue a new countywide mask mandate and ESPN responds to Big 12 commissioner Bob Bowlsby’s cease-and-desist letter.