( June 4, 2024, 1:09 PM EDT) -- CINCINNATI — The Michigan Department of Environment, Great Lakes and Energy (EGLE) has filed a brief in the Sixth Circuit U.S. Court of Appeals arguing that a lawsuit it brought against the Gerald R. Ford International Airport Authority related to contamination from per- and polyfluoroalkyl substances (PFAS) should remain in state court because there is no diversity or federal question jurisdiction and contending that the fact that the airport is subject to government regulation does not amount to “acting under” a federal officer under black-letter law....