Not Specter's Week

According to the August 11 automated survey of 1,000 likely Pennsylvania voters, Toomey leads Specter by 48-36 percent, with 12 percent undecided. That's a pretty notable flip from Rasmussen's June survey, which found Specter with a 50-39 percent advantage.

Source: http://www.politico.com/blogs/scorecard/0809/Specters_week.html