A Gallup daily tracking poll conducted Aug. 31 to Sept. 3 showed that Mr. Romney’s support after the convention stood at 46 percent of registered voters, no different than the 47 percent who supported him in the days before the speeches and festivities in Tampa, Fla.
According to Gallup’s analysis of polling results after previous conventions, Mr. Romney is the third nominee in recent history — and the first Republican — to gain little or no improvement in the polls in the days after his party’s convention...
Perhaps most tellingly, nearly half of registered voters [in a CNN poll] said what they saw or read of the Republican convention made them less likely to vote for Mr. Romney than said it made them more likely to vote for him, while just over a third said they were more likely, and 1 in 8 said it made no difference.
And the 46 percent who said they were less likely to vote for Mr. Romney was the highest negative response for either party’s candidate following conventions going back to 1984, according to CNN polls.
Romney 'Bounce' More Like Self-Inflicted Bruises
Low-lights for Team Romney from The NY Times today: