The trial of a Chicago cop who fired into a crowd in a dark alley, killing an innocent woman, ended on a disturbing note in April.

APPLETON — People living near industrial silica sand facilities can breathe easier knowing a new, authoritative, peer-reviewed scientific study monitoring air quality at four frac sand facilities in northwestern Wisconsin has found these facilities have minimal impact on air quality in surro…

Thirteen weeks ago, Donald Trump shared with the Chicago Tribune Editorial Board an hour of his bombast, sarcasm and … good-natured charm. Trump was a delight. And if that verdict surprises you, come sit here, because it surprised us too.