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Caption:MANCHESTER, NH - AUGUST 3: (L-R) Former Florida Gov. Jeb Bush, Dr. Ben Carson, New Jersey Gov. Chris Christie, former CEO Hewlett-Packard Carly Fiorina, U.S. Senator Lindsey Graham (SC), Louisiana Gov. Bobby Jindal, Ohio Gov. John Kasich, former New York Gov. George Pataki, former Texas Gov. Rick Perry, former U.S. Senator Rick Santorum (PA), Wisconsin Gov. Scott Walker stand on the stage prior to the Voters First Presidential Forum for Republicans at Saint Anselm College August 3, 2015 in Manchester, New Hampshire. The forum was organized by the New Hampshire Union Leader and C-SPAN in response to the Fox News debate later this week that will limit the candidates to the top 10 Republicans based on nationwide polls. (Photo by Darren McCollester/Getty Images)
Caption:MANCHESTER, NH - AUGUST 3: (L-R) Former Florida Gov. Jeb Bush, Dr. Ben Carson, New Jersey Gov. Chris Christie, former CEO Hewlett-Packard Carly Fiorina, U.S. Senator Lindsey Graham (SC), Louisiana Gov. Bobby Jindal, Ohio Gov. John Kasich, former New York Gov. George Pataki, former Texas Gov. Rick Perry, former U.S. Senator Rick Santorum (PA), Wisconsin Gov. Scott Walker stand on the stage prior to the Voters First Presidential Forum for Republicans at Saint Anselm College August 3, 2015 in Manchester, New Hampshire. The forum was organized by the New Hampshire Union Leader and C-SPAN in response to the Fox News debate later this week that will limit the candidates to the top 10 Republicans based on nationwide polls. (Photo by Darren McCollester/Getty Images)

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John King, Nia-Malika Henderson and Ron Fournier discuss the first 2016 debate and what to expect from the GOP candidates.

Thursday GOP debate preview

John King, Nia-Malika Henderson and Ron Fournier discuss the first 2016 debate and what to expect from the GOP candidates.