U.S. Sen. Pat Toomey leads possible Democratic challenger Joe Sestak 45 - 35 percent in an early look at a possible rematch in 2016.
Toomey gets a 43 - 25 percent approval rating from Pennsylvania voters, who say 37 - 29 percent that he deserves reelection. His favorability rating is 37 - 21 percent.
For Sestak, 64 percent of voters don't know enough about him to form an opinion.
U.S. Sen. Robert Casey Jr. gets a 40 - 24 percent approval rating.
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From January 22 - February 1 Quinnipiac University surveyed:
881 Pennsylvania voters with a margin of error of +/- 3.3 percent.
http://www.quinnipiac.edu/news-and-events/quinnipiac-university-poll/2016-presidential-swing-state-polls/release-detail?ReleaseID=2133
