SOURCE: This Washington Post-ABC News poll was conducted by telephone April 17-21, 2013, among a random sample of 1,000 adults. The results have a margin of sampling error of plus or minus 3.5 percentage points. This survey was produced for The Washington Post by Capital Insight, with sampling, data collection and tabulation by SSRS of Media, Pa. | The Washington Post SOURCE: This Washington Post-ABC News poll was conducted by telephone April 17-21, 2013, among a random sample of 1,000 adults. The results have a margin of sampling error of plus or minus 3.5 percentage points. This survey was produced for The Washington Post by Capital Insight, with sampling, data collection and tabulation by SSRS of Media, Pa. | The Washington Post Comments
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