Democratic Senate hopeful Elizabeth Warren is in a virtual dead heat with Sen. Scott Brown with the Republican incumbent clinging to a one-point lead, 46 percent to 45 percent, according to a new poll from Kimball Political Consulting.
Warren has gained five points on Brown since the last poll on Aug. 21.
“While pundits often suggest that conventions have little effect on voters these results contradict that assumption," said Spencer Kimball, a Republican strategist who conducted the poll. Compared to an earlier survey of the "most likely to vote" population two weeks before the convention, Brown dropped by five percentage points immediately after the Democratic convention.
"Both Senator Brown and Elizabeth Warren are carrying very high favorability rating at over 50 percent each,” Kimball said. “This may be the result of both campaigns' pledge to keep outside money from buying negative ads.”
The poll also showed that undecided presidential voters are nearly twice as likely to vote for Brown (34 percent) over Warren (20 percent).
Brown continues to hold an 18-point lead among independents (54 percent to 36 percent). Meanwhile, Warren increased her favorability by 6 points (49 percent to 55 percent).
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