NH poll: Trump leads Rubio on eve of primary
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Donald TrumpDonald John TrumpNearly 300 former national security officials sign Biden endorsement letter DC correspondent on the death of Michael Reinoehl: 'The folks I know in law enforcement are extremely angry about it' Late night hosts targeted Trump over Biden 97 percent of the time in September: study MORE retains a substantial lead over the rest of the Republican presidential field in the final CNN/WMUR tracking poll in New Hampshire ahead of Tuesday's primary. 

Trump nabs 31 percent support in the survey released Monday evening, down 2 points from the same poll conducted last week but inside its margin of error.
Sen. Marco RubioMarco Antonio RubioOwners of meatpacker JBS to pay 0M fine over foreign bribery charges Questions raised about conflicts of interest around Biden son-in-law America needs an industrial policy — now more than ever MORE (Fla.) takes 17 percent in the survey, which was conducted Thursday through Monday and included the Republican debate over the weekend. Rubio, who emerged as an establishment favorite from last week's Iowa caucus, struggled in the face of a barrage of attacks from rival New Jersey Gov. Chris Christie in that debate.

CNN said that it couldn't produce a separate estimate of support due to a small post-debate sample size, but reported that interviews in the two days after the Saturday debate "found no drop in support for Rubio" and instead "a slimmer margin between Trump and Rubio."

Sen. Ted CruzRafael (Ted) Edward CruzSenate Republicans offer constitutional amendment to block Supreme Court packing 10 bellwether counties that could signal where the election is headed Conservatives seize on New York Post story to push Section 230 reform MORE (Texas), the winner of the Iowa caucus, follows Rubio closely at third place, taking 14 percent.
Ohio Gov. John Kasich takes 10 percent, former Florida Gov. Jeb Bush has 7 percent, businesswoman Carly Fiorina has 5 percent, Christie has 4 percent and Ben Carson has 3 percent. 
The survey of 362 likely GOP primary voters has a margin of error of 5.2 points.