Why The Dems Lost Weiner's Seat

(CNN) -- Democrats, from the rank-and-file to President Obama, are worried -- as they should be -- about the surprise victory of a novice candidate, Republican Bob Turner, in New York City's 9th Congressional District.

Democrats had every advantage they could have asked for. They outnumber Republicans 3-to-1 in a district Dems have held since 1923. They vastly outspent Turner and the GOP, and even called in big guns like ex-President Bill Clinton and Gov. Andrew Cuomo to campaign for the losing Democrat, state Rep. David Weprin.

But they still lost.

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