Eyder Peralta

Debate moderators John Harwood, left, Becky Quick, center, and Carl Quintanilla take the stage during the CNBC Republican presidential debate at the University of Colorado on Wednesday. Mark J. Terrill/AP hide caption

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Mark J. Terrill/AP

President Obama told the International Association of Chiefs of Police Annual Conference in Chicago Tuesday that police should not be scapegoated for the failures of the justice system. Charles Rex Arbogast/AP hide caption

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Charles Rex Arbogast/AP