Seven Republicans competing for their party's Presidential nomination will participate in the first major debate of the 2012 campaign.
It is unclear how the debate will affect any one candidate's momentum in the campaign. However the latest GOP presidential polls show Mitt Romney as the early favorite.
Here is a brief guide to tonight's debate:
Who: 7 Republican Candidates
What: 1st Major GOP Presidential Debate
When: 8 P.M. EST
Where: St. Anselm College, Manchester, New Hampshire
Why: The Republican Presidential Primaries do not start until February of 2012 but many of the major candidates have already announced the official start of their campaign and are making stops in several key states where the primaries will first be held.
How: CNN TV, or CNN.com
THE CONTENDERS TONIGHT: Romney and the Rest
Michele Bachmann - House Rep. from Minnesota is a Tea Party movement favorite
Herman Cain - Businessman from Georgia
Newt Gingrich - Former House Speaker from Georgia
Ron Paul - House Rep. from Texas
Tim Pawlenty - Former Minnesota Governor
Mitt Romney - Former Massachusetts Governor
Rick Santorum - Former Senator from Pennsylvania
POLL: Romney Leading, Palin in Second
The latest CNN Poll, taken from June 3 to June 7 shows people surveyed would be most likely to Support Romney, with 24 percent stating that after being read a list which included many of the candidates in Monday's event.
Romney, 24 percent
Sarah Palin, 20 percent, has not announced candidacy
Rudy Giuliani, 12 percent, has not announced candidacy
Herman Cain, 10 percent
Newt Gingrich, 10 percent
Ron Paul, 7 percent
Michelle Bachmann, 4 percent, has not announced candidacy
Tim Pawlenty, 3 percent
Jon Huntsman, 1 percent, set to announce candidacy
Rick Santorum, 1 percent
Others/None/No Opinion: 7 percent