The jury is still out on who many Americans want in Congress.
An Associated Press-Gfk Poll has one-third of those surveyed still undecided about their choice in the Nov. 2 congressional elections. And if they have picked someone, the say they could change their minds.
That could be trouble for Democrats who are trying to go after the undecided. Forty-five percent of voters who say they could change their pick, prefer their district's Republican candidate for the House, while 38 percent pick the Democratic contender. That's the same 7 percentage point margin Republicans hold with people who've already decided.
Also, by 50 percent to 40 percent, persuadable voters want a challenger to defeat their own member of Congress.
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