Martha Shimkin, director of the U.S. Environmental Protection Agency’s Chesapeake Bay Program Office, speaks at the Chesapeake Executive Council meeting in Annapolis on Dec. 10, 2024. Dave HarpANNAPOLIS, Md. – The U.S. Environmental Protection Agency’s Chesapeake Bay Program Office, which coordinates regional efforts to restore the nation’s largest estuary, will be under new leadership in…