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Democratic presidential candidate Hillary Clinton speaks to supporters during a rally at La Escuelita School in Oakland, California, on May 6, 2016.
Democratic presidential candidate Hillary Clinton speaks to supporters during a rally at La Escuelita School in Oakland, California, on May 6, 2016.

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    Hillary Clinton works to beat Bernie Sanders in KY

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Hillary Clinton works to beat Bernie Sanders in KY

Hillary Clinton is investing heavily in Kentucky ahead of its Democratic primary after a string of wins by rival Bernie Sanders. CNN's Jeff Zeleny reports.

Hillary Clinton works to beat Bernie Sanders in KY

Hillary Clinton is investing heavily in Kentucky ahead of its Democratic primary after a string of wins by rival Bernie Sanders. CNN's Jeff Zeleny reports.