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Sunday night is the final scheduled debate for three Democratic candidates before the Iowa caucuses.

American interest in presidential primary debates is waning, even as the actual voting approaches.

Here are five things to watch when the Republicans take the stage

Between Tuesday’s State of the Union address and Thursday’s Republican debate, and with the primary season around the corner, this week may well mark “peak spin” for the 2016 campaign.

The two or so hours of the political debate you see on TV are just a fraction of what’s become an all-day event for the candidates and the journalists.

As the clock ticks down to the undercard debate, Twitter released the top moments from all the presidential primary debates thus far, based on Tweets per minute.

While networks brag about ratings, voters are telling the FCC the ratings would be higher if they didn’t have to pay to watch the presidential primary debates.

UNLV has unveiled a plan to promote the school's role as host of this year's final presidential debate an event that will catapult Las Vegas into the national spotlight weeks ahead of November's general election.

Sen. Rand Paul (R-Ky.) is blaming the GOP for his exclusion from the main debate stage in this week's Republican presidential debate, saying the decision may cost the party the support of libertarian voters.

Communication studies professor Jacob Thompson on campaign history and how UNLV's hosting a debate will leave a lasting mark on campus.

La cadena de televisión por cable Fox Business Network anunció que ha invitado solo a siete candidatos republicanos a la nominación presidencial para el debate del jueves 14 de enero, relegando a Rand Paul y Carly Fiorina a una sesión preliminar.

Kentucky Sen. Rand Paul and former Hewlett Packard CEO Carly Fiorina were relegated to the undercard debate, after both failed to reach the polling criteria set by debate organizer Fox Business Network.