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John Kasich

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Bernie Sanders was defiant Wednesday, saying his campaign did not encourage the chaos at Nevada's Democratic convention over the weekend

Bernie Sanders was defiant Wednesday, saying his campaign did not encourage the chaos at Nevada's Democratic convention over the weekend. Despite winning Oregon Tuesday night, it's mathematically impossible for Sanders to catch Hillary Clinton for the nomination. As Nancy Cordes reports, Sanders' refusal to give up may be widening a rift in the party.

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