( February 15, 2024, 3:10 PM EST) -- ATLANTA — The 11th Circuit U.S. Court of Appeals denied a petition for rehearing or rehearing en banc filed by a former Walgreen Co. employee after the panel ruled that the proper causation standard for retaliation claims under the Family and Medical Leave Act (FMLA) and Florida’s Private Sector Whistleblower Act (FWA) is the but-for causation and the majority affirmed a trial court’s summary judgment ruling for Walgreen....