(CBS NEWS) — Following his surprising victories in Mississippi and Alabama, Republican presidential contender Rick Santorum on Wednesday received some good news from his home state of Pennsylvania: The latest poll there shows he’s established a clear lead over his GOP rival Mitt Romney.

A new Quinnipiac poll shows that 36 percent of Pennsylvania Republicans favor Santorum in the GOP primary, while 22 percent support Romney. Another 12 percent support Ron Paul while 8 percent back Newt Gingrich.

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