Q: Overall, do you approve or disapprove of how the federal government has handled its investigation of the bombing at the Boston Marathon a year ago?
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This Washington Post-ABC News poll by telephone April 9 to 13, 2014 among a random national sample of 1,015 adults, including users of both conventional and cellular phones. The results from the full survey have a margin of sampling error of plus or minus 3.5 percentage points. Sampling, data collection and tabulation by SSRS of Media, Pa. *= less than 0.5 percent