Americans believe Democrats are just as much to blame as Republicans for the violence and threats surrounding the healthcare debate, a new Gallup poll finds.

Forty-nine percent of respondents said "controversial political maneuvers" by Democrats were a "major reason" for the threats, while 29% said it was a "minor reason." That's a total of 74% who assign some blame to Democrats.

Meanwhile, 46% said criticism of the bill by "conservative commentators" was a "major reason," with 26% calling it a "minor reason." That's a 72% total.

As for Republicans in Congress, 43% said their crticism was a "major reason," with 29% selecting it as a "minor reason," for a 72% total.