The third Republican presidential debate, which is tonight at 8 pm Eastern, will be aired live on CNBC. Want to learn more about tonight's lineup? Watch the full video:
  1. Donald Trump | The Donald Bio: Real estate guy turned reality TV host turned quasi-politician Mission: Be controversial enough to continue dominating TV coverage, but not so controversial as to lose his high poll numbers.
    In the polls: 26.8%
  2. Ben Carson | The new frontrunner? Bio: Neurosurgeon, author Mission: Carson has surged ahead of Trump in some recent polls. Now he needs to show that he can handle the spotlight with every other candidate gunning for him.
    In the polls: 22.0%
  3. Marco Rubio | A New Hope Bio: Senator from Florida Mission: To remind everyone he’d be most likely to beat the democrats, and take Jeb Bush’s establishment support.
    In the polls: 9.0%
  4. Jeb Bush | The Heir Not-So-Apparent Bio: Former governor of Florida Mission: His campaign is flailing amidst sinking poll numbers and staff cuts. He needs to show his donors he can somehow turn it around.
    In the polls: 7.0%
  5. Ted Cruz | The Radical Bio: Cuban-American right wing Senator from Texas Mission: To become the mainstream, but still very conservative, alternative to Trump and Carson.
    In the polls: 6.6%
  6. Carly Fiorina | The CEO Bio: Former CEO of Hewlett Packard Mission: Fiorina gained in the polls after a strong performance in the first debates, but her momentum has dissipated. Can she get it back?
    In the polls: 5.8%
  7. Mike Huckabee | The Huckster Bio: Former Governor of arkansas Mission: To get more people on his e-mail list to sell bogus nutritional supplements to.
    In the polls: 3.8%
  8. Rand Paul | The Freedom Fighter Bio: Senator from Kentucky Mission: To remind Republicans he exists.
    In the polls: 3.4%
  9. John Kasich | Who? Bio: Governor of Ohio, 90s Congressman Mission: Vice President, probably
    In the polls: 2.6%
  10. Chris Christie | The Has-Been Bio: Governor of New Jersey Mission: Wildly hope America forgets about the bridge thing
    In the polls: 2.4%
  11. And don't forget the JV squad. At 6pm, the candidates without 1% support started to debate: Bobby Jindal, Rick Santorum, George Pataki, Lindsay Graham.