Secretary Clinton tops Gov. Christie 46 - 41 percent, compared to the results of a December 19 survey by the independent Quinnipiac (KWIN-uh-pe-ack) University, showing Clinton at 44 percent, with 43 percent for Christie.
The Democrat beats Native Son Santorum 53 - 37 percent, compared to 51 - 38 percent in December.
Clinton tops other possible Republican candidates:
53 - 38 percent over U.S. Sen. Rand Paul of Kentucky;
54 - 34 percent over U.S. Sen. Ted Cruz of Texas;
53 - 36 percent over former Florida Gov. Jeb Bush.
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Pennsylvania voters give President Barack Obama a negative 42 - 54 percent job approval rating, compared to a negative 39 - 57 percent approval rating December 19.
The president's negative ratings are 10 - 89 percent among Republicans and 35 - 60 percent among independent voters, while Democrats approve 80 - 16 percent.
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Voters approve 47 - 33 percent of the job U.S. Sen. Robert Casey Jr. is doing and give U.S. Sen. Pat Toomey a 43 - 33 percent approval rating.
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From February 19 - 24, Quinnipiac University surveyed 1,405 registered voters with a margin of error of +/- 2.6 percentage points. Live interviewers call land lines and cell phones.
http://www.quinnipiac.edu/institutes-and-centers/polling-institute/pennsylvania/release-detail?ReleaseID=2013
