The CNN survey was conducted by ORC International on Tuesday and Wednesday, after the attack on the Sikh temple.

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The provision commands the support of nearly 80 percent of union households, according to a recent poll conducted by ORC International.

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The CNN poll was conducted by ORC International Tuesday and Wednesday, after Sunday's shootings at a Sikh temple in Wisconsin and after last month's shootings at a movie theater in Colorado.

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But in a CNN-ORC International poll in mid-January, 53% of Americans said the main focus of U.S. policy on illegal immigration should be finding a way to allow undocumented residents to get legal status.

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