Today In Pictures: May 21, 2012
The latest photos from around the globe
The Day in Photos
A Chicago police officer is unfazed as a protester yells in her face during a march May 19 2012, in Chicago. Security has been high throughout the city in preparation for the NATO summit, where delegations from about 60 countries will discuss the war in Afghanistan and European missile defense. (Charles Rex Arbogast/AP Photo)
