Methodology: The CNN poll was conducted by SSRS from March 6-9 among a random national sample of 1,206 US adults drawn from a probability-based panel. Surveys were either conducted online or by telephone with a live interviewer.
Results among all adults have a margin of sampling error of ±3.3 percentage points. Results for half samples have a margin of sampling error of up to ±4.7 percentage points. Figures may not add to 100 due to rounding.
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