Republican vice-presidential candidate Sarah Palin made her pitch for a ninth-inning comeback in Pennsylvania at Clipper Magazine Stadium Saturday morning.

Palin hit Democratic rival Barack Obama hard on tax policy, drawing enthusiastic support and boos for her rival from the estimated crowd of more than 10,000.

"It's the choice between a politician who puts his faith in government and a leader who puts his faith in you," she said.

"Our opponent wants to raise taxes," she said to a chorus of boos from the crowd.

Recent polls put John McCain considerably behind Obama in the state. According to an average tallied by Pollster.com, McCain trails Obama by more than 10 percentage points in Pennsylvania.

More than 10,000 tickets were given out for the rally, which marked Palin's second visit to Lancaster, said Dave Dumeyer, chairman of the county GOP.

Palin also repeated her call for the Obama campaign to disclose contacts with the organization ACORN, which is facing scrutiny for its voter registration efforts in Pennsylvania and elsewhere. Obama has said he had "nothing to do" with the group's voter registration drive.

Palin said the election would be close and would come "down to the wire."

"This election is so important," she said. "It's going to come down to what we believe in."

Later today she is expected to be in New York City where she will make an appearance on NBC's "Saturday Night Live.''