Here comes the big Republican debate!

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republican debate

AP Photo/Mark J. Terrill

The fourth Republican debate is set to begin at 9 p.m. ET.

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Eight candidates will face off on the main stage in Milwaukee, Wisconsin, which host Fox Business says will primarily focus on economic issues.

Here are the candidates who will be onstage:

  • Donald Trump
  • Retired neurosurgeon Ben Carson
  • Sen. Marco Rubio (R-Florida)
  • Sen. Ted Cruz (R-Texas)
  • Former Florida Gov. Jeb Bush (R)
  • Ohio Gov. John Kasich (R)
  • Former Hewlett-Packard CEO Carly Fiorina
  • Sen. Rand Paul (R-Kentucky)

Notably, New Jersey Gov. Chris Christie (R) and former Arkansas Gov. Mike Huckabee (R), who participated in the previous three main-stage debates, did not meet the threshold needed to qualify for Tuesday's main debate.

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