Under fire that his organization's poll leans disproportionately Republican, Gallup Editor-in-Chief Frank Newport told Fox News Sunday that his group's polling methodology is "extremely solid."

Gallup has attracted controversy with its daily tracking poll of the presidential race. Among likely voters, the survey reported on Sunday that Romney held a 7-point lead, 52 percent to 45 percent, a much larger advantage than most other polls are reporting.

Newport said it's "not unusual" to take criticism from people who don't like the results "“ in this case, the Obama campaign itself has blasted the campaign for flawed methodology.

"People come at you from either side when they don't like the results," he said.

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