Supporters of Donald Trump, left, face off with protesters after a rally on the campus of the University of Illinois-Chicago was cancelled due to security concerns on March 11.
Supporters of Donald Trump, left, face off with protesters after a rally on the campus of the University of Illinois-Chicago was cancelled due to security concerns on March 11. Charles Rex Arbogast Associated Press
Supporters of Donald Trump, left, face off with protesters after a rally on the campus of the University of Illinois-Chicago was cancelled due to security concerns on March 11. Charles Rex Arbogast Associated Press

Charles Krauthammer: An air of menace this campaign, and not just Trump

March 17, 2016 10:00 AM