The Kansas City Star daily briefing — Thursday, July 29, 2021

The top headlines from The Kansas City Star on Thursday, July 29th, 2021, including Kansas City will once again be under a mask mandate, Cerner Corp. plans to sell off one of its major office campuses this year, Kansas Gov. Laura Kelly required masks for state employees but stopped short of a new statewide mandate and cooler weather is in sight as Kansas City faces two more days of dangerous excessive heat.