Under new federal air pollution limits finalized Monday, news broke yesterday that our very own Cook County was out of compliance. But it doesn’t end there we were the only place in all of the United States that missed the mark. Why? Chicago Tribune’s environment reporter Michael Hawthorne helps us answer that question and more.

Music Button: Saxon Shore, “This Shameless Moment”, from the CD The Exquisite Death of Saxon Shore, (Burnt Toast Vinyl)