WASHINGTON--A CNN poll released Monday shows the Newt Gingrich surge may be over, with the latest results putting him in a tie with chief rival Mitt Romney.

From CNN: "Interviews with 1,015 adult Americans conducted by telephone by ORC International on December 16-18, 2011. The margin of sampling error for results based on the total sample is plus or minus 3 percentage points. The sample also includes 928 interviews among registered voters (plus or minus 3 percentage points)."

The sample includes 814 interviews among landline respondents and 201 interviews among cell phone respondents.

Just among Republicans....

BASED ON 436 REPUBLICANS -- SAMPLING ERROR: +/- 4.5 PERCENTAGE PTS.

27. Please tell me which candidate you would be most likely to support for the Republican nomination for President. Minnesota Congresswoman Michele Bachmann, former Speaker of the House Newt Gingrich, former Utah Governor Jon Huntsman, Texas Congressman Ron Paul, Texas Governor Rick Perry, former Massachusetts Governor Mitt Romney, or former Pennsylvania Senator Rick Santorum (RANDOM ORDER)


Dec. 16-18 Nov. 18-20 Nov. 11-13 Oct. 14-16 Sept. 23-25
2011 2011 2011 2011 2011

Gingrich 28% 24% 22% 8% 11%
Romney 28% 20% 24% 26% 22%
Paul 14% 9% 8% 9% 7%
Bachmann 8% 5% 6% 6% 6%
Perry 7% 11% 12% 13% 30%
Santorum 4% 4% 3% 2% 3%
Huntsman 2% 3% 3% 1% 1%
Cain N/A 17% 14% 25% 9%
Someone else (vol.) * * 1% 1% 3%
None/ No one (vol.) 5% 3% 4% 5% 5%
No opinion 4% 2% 4% 4% 3%