(June 11, 2024, 10:28 AM EDT) -- WASHINGTON, D.C. — The U.S. Supreme Court justices should decide whether 29 U.S. Code Section 2615(a)(1) prohibits retaliation for exercising rights under the Family and Medical Leave Act (FMLA) and, if it does, the appropriate standard for proving such a claim, a former Walgreen Co. employee argues in a petition for a writ of certiorari filed after the 11th Circuit U.S. Court of Appeals ruled that the proper standard for such claims is the but-for causation....