Independent voters also appear to have soured on the president. While they favored the incumbent by 9 percentage points in June, they now favor Romney by 7 points, 47 percent to 40 percent. However, independents still hold a net negative view of Romney, 48 percent to 42 percent.

ADVERTISEMENT
Only two of the possible running mates for Mitt Romney brought Florida into his column. Sen. Marco RubioMarco RubioWill Republicans stand up to the NRA's insurrection rhetoric? The Hill's Whip List: Senate ObamaCare repeal bill Ivanka Trump turns to House GOP on paid family leave MORE (R-Fla.) would flip the state to Romney, 49 percent to 47 percent. Former Secretary of State Condoleezza Rice also pulled the state into Romney’s camp, but by 1 percentage point, 46 percent to 45 percent.

All other possible running mates either had no effect or negatively affected Romney. The most popular of the other three remaining running mates, Gov. Bobby Jindal (R-La.), whose favorability is dead even with 29 percent liking and disliking him, saw Florida go for Obama at +3.  Former Minnesota Gov. Tim Pawlenty did not change the margin in any way. Sen. Rob PortmanRob PortmanRocky rollout for Senate healthcare bill The Hill's Whip List: Senate ObamaCare repeal bill What’s in the Senate healthcare bill MORE (R-Ohio), who has the lowest name recognition (45 percent) and likeability (-9), pushed Obama to +4.

PPP surveyed 871 likely Florida voters from July 26-29. The margin of error for the survey is 3.3 percentage points.