LIBERTY, Mo. (AP) — Six Republican state senators have asked Missouri Gov. Mike Parson to call a special session to prevent private businesses in the state from requiring COVID-19 vaccines. Some Missouri businesses, such as restaurants in St. Louis and Kansas City, have said they will require customers and workers to have the vaccine. The senators’ letter to Parson focused on employees be required employees to have the vaccine. They suggested the requirement violates individuals’ freedom and liberty.