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Bernie Sanders speaks to supporters at an election rally in Irvine, California on May 22, 2016.
Bernie Sanders speaks to supporters at an election rally in Irvine, California on May 22, 2016.

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    Sanders looks for symbolic win over Clinton in CA

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Sanders looks for symbolic win over Clinton in CA

Bernie Sanders is revealing his strategy to prevent Hillary Clinton from becoming the Democratic nominee. CNN's Sunlen Serfaty reports.

Sanders looks for symbolic win over Clinton in CA

Bernie Sanders is revealing his strategy to prevent Hillary Clinton from becoming the Democratic nominee. CNN's Sunlen Serfaty reports.