St. Louis — A Missouri Baptist University employee has been charged with embezzling about $107,000 since being promoted to the university controller’s position in 2009. St. Louis County prosecutors charged 48-year-old Melinda Okai of O’Fallon, Mo., with theft of more than $25,000, a felony carrying a penalty of between five and 15 years in prison. Okai allegedly executed fraudulent refund…