(January 29, 2018, 12:48 PM EST) -- WASHINGTON, D.C. — A number of Kentucky residents filed a class action suit on Jan. 24 in District of Columbia federal court, challenging a Medicaid work requirement implemented in Kentucky and approved by the federal government under a new approach to Medicaid waivers on the basis that the waiver exceeds the authority of the U.S. Department of Health and Human Services (Ronnie Maurice Stewart, et al., v. Eric Hargan, et al., No. 18-152, D. D.C.)....