A Donnelly internal poll released last week also showed a tight race, with the congressman leading by one point. Indiana is considered a tough state for Democrats running statewide this year, with Mitt Romney expected to beat President Obama there (the same chamber poll has GOP gubernatorial nominee Mike Pence (R) leading his Democratic opponent John Gregg 50 percent to 32 percent). But the recent polls show that the Senate race is a real contest. The Chamber poll of 600 registered voters statewide was conducted by Market Research Insight from August 6-9, surveying 600 registered voters. The poll has a margin of error of plus-or-minus 4 percentage points.
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