Manhattan view. Photo: Gryffindor.

Bloomberg – New York, New York, divided by two. The East Side’s red and the West Side’s blue.

Three zip codes on the east side of the New York City borough of Manhattan are among the most lucrative locations for Republican challenger Mitt Romney to raise campaign cash. Three zip codes on the west side are ranked as the top areas where President Barack Obama has collected money, according to the Center for Responsive Politics, a Washington-based research group that tracks campaign donations.

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