Florida is another state where the falling popularity of President Obama is proving a drag on Democratic candidates -- in this case, Alex Sink, who finds herself trailing Republican newcomer Rick Scott in the race for governor, according to a Quinnipiac University poll conducted Sept. 23-28.

Scott, the former health care executive who won an upset victory in the GOP primary, leads Sink by 49 percent to 43 percent with 7 percent undecided. The margin of error is 2.9 points. Sink is the state's chief financial officer.

Independents favor Scott by 46 percent to 40 percent with 12 percent undecided...