Hillary Clinton, Chris Christie Lend Clout to Pennsylvania Race

Potential presidential contenders Hillary Rodham Clinton and New Jersey Gov. Chris Christie are campaigning for Pennsylvania's gubernatorial candidates in the state's voter-rich southeast corner.

At a Thursday afternoon rally at the Valley Forge Military Academy, Christie delivered a tough, 15-minute speech in support of Republican Gov. Tom Corbett.

He says Corbett has served with honesty and integrity, but he attacked Corbett's Democratic challenger, Tom Wolf, as a man who "will lie in order to obtain power."

Christie chairs the Republican Governors Association, which is Corbett's biggest campaign donor. Wolf is a first-time candidate who ran a family business. He holds a strong lead in independent polls.

Clinton is headlining an evening "Women for Wolf" rally at the Constitution Center in downtown Philadelphia.