The survey's sampling error is plus or minus 3 percentage points for the overall sample.

CNN: Obama seeks revisions to Afghanistan plans, sources say

The survey had a sampling error of plus or minus 3.1 percentage points.

CNN: Analysts pore over 'ambiguous' Iran results

The survey's sampling error is plus or minus 3 percentage points.

CNN: Poll: Most favor bipartisanship; Democrats, not so much

The survey had a sampling error of 4.5 percentage points.

CNN: Kerry decides against 2008 presidential run

The difference is within the survey's sampling error.

CNN: Under GOP attack, Obama talks jobs and raises money

The survey's overall sampling error is plus or minus 3 percentage points.

CNN: Poll: Majority of adult Americans don't want H1N1 shot

The survey's overall sampling error is plus or minus 3 percentage points and plus or minus 6 percentage points for the African-Americans sample.

CNN: STORY HIGHLIGHTS

This online survey is not based on a probability sample and therefore no estimate of theoretical sampling error can be calculated.

FORBES: Connect

The survey of 1, 000 adults was taken Sunday through Tuesday, with a sampling error of plus or minus three percentage points.

CNN: Poll: Americans split on worthiness of war