The point-blank shooting of two New York City police officers this weekend is testing whether Mayor Bill de Blasio's brand of unapologetic liberalism can work in a city that's spent decades under mayors who made law and order a top priority.
De Blasio's pledge to reform police practices helped sweep him into office last year. And in recent weeks he's pushed for the right of demonstrators to gather to protest the killings of Michael Brown and Eric Garner, two unarmed African-American men, at the hands of white police officers. But critics - including those in the police force - are accusing him of fomenting an anti-police fervor that contributed to the killings of officers Wenjian Liu and Rafael Ramos. CNN's Miguel Marquez has more.

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