A little girl on her way to school Thursday in New York City. Mayor Bill de Blasio and his aides have come under fire for not closing the city's schools before a winter storm hit. John Moore/Getty Images hide caption

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New York City Mayor Bill de Blasio speaks after being sworn in during the public inauguration ceremony at City Hall in New York on Jan. 1. Seth Wenig/AP hide caption

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New York Mayor Bill de Blasio poses for pictures with visitors at Gracie Mansion, the official residence of the mayor, during an open house and photo opportunity with the public as part of the inauguration ceremonies on Sunday. John Minchillo/AP hide caption

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New York City Mayor Bill de Blasio (from left) arrives with his family Chiara de Blasio, Chirlane McCray and Dante de Blasio to take the oath of office on the steps of City Hall on Wednesday. Frank Franklin II/AP hide caption

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New Jersey Gov. Chris Christie greets supporters on the eve of the election in a race that looks like a launchpad for a 2016 presidential run. Mel Evans/AP hide caption

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