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CONCORD, NH - FEBRUARY 7:  Republican presidential candidate, Ohio Gov. John Kasich holds a town hall at Concord High School February 7, 2016 in Concord, New Hampshire. (Photo by Darren McCollester/Getty Images)
CONCORD, NH - FEBRUARY 7:  Republican presidential candidate, Ohio Gov. John Kasich holds a town hall at Concord High School February 7, 2016 in Concord, New Hampshire. (Photo by Darren McCollester/Getty Images)

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John Kasich optimistic about South Carolina primary

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