52-37 Clinton/Paul
53-36 Clinton/Santorum
45-41 Biden/Paul
46-39 Biden/Santorum
...
Favorables:
56-37 Clinton
49-42 Biden
51-46 Obama
35-30 Paul
39-44 Santorum
Do you approve or disapprove of the way Barack Obama is handling his job as President?
48-48
From May 30 - June 4, Quinnipiac University surveyed 1,032 registered voters with a margin of error of +/- 3.1 percentage points. Live interviewers call land lines and cell phones. The survey includes 460 Democrats with a margin of error of +/- 4.6 percentage points.
http://www.quinnipiac.edu/institutes-and-centers/polling-institute/pennsylvania/release-detail?ReleaseID=1905