This result comes from The Hill 2010 Midterm Election Poll, which found that 44 percent of likely voters say the Democratic Party is more dominated by its extreme elements; whereas 37 percent say it’s the Republican Party that is more dominated by extremists…

More than one in every five Democrats (22 percent) in The Hill’s survey said their party was more dominated than the GOP by extreme views. The equivalent figure among Republicans is 11 percent.

Results for independent voters reflected the larger sample. Forty-three percent of likely independent voters said the Democratic party is more dominated by its extreme elements compared to 37 percent who though the GOP had fallen under the sway of extreme views.