Superdelegates Help Clinton Expand Lead Despite Sanders' Big New Hampshire Win

If party insiders continue to back Clinton overwhelmingly — and they can change their minds — Sanders would have to win remaining primaries by landslide just to catch up.

Hope Yen, Stephen Ohlemacher
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Hillary Clinton at a rally in Las Vegas, Nevada, Feb. 18, 2016.
Hillary Clinton at a rally in Las Vegas, Nevada, Feb. 18, 2016.Credit: Bloomberg