PITTSBURGH, Pa. -- Sen. Barack Obama received a huge welcome in Pittsburgh Friday morning for the start of his six-day “Road to Change” trip across the Keystone State. He is the underdog as the battle for Pennsylvania voters’ heats with Democratic rival Sen. Hillary Rodham Clinton. She recently was endorsed by Gov. Ed Rendell and Rep. John Murtha - two big political powerhouses in our region.

While Clinton may have picked up those key endorsements, Obama received one of his own, Sen. Robert Casey of Pennsylvania. Obama hopes this latest boost will bridge the gap in the polls.

However, the latest poll has Clinton with a double-digit lead in the Pennsylvania polls, plus she won Ohio. But with Obama's number of delegates and more total wins, can he still come away with the Democratic nomination?

"The fact I didn't win Ohio, remember that's a Democratic primary. The polls actually show I would do better than her (Clinton) against McCain in many of these states," said Obama.

Obama said the idea that some states are more important than others just doesn't make sense, and he thinks the popular vote and his message for change will win out in the end.

"If we just maintain our pace, I am confident the superdelegates will choose a nominee who won the Democratic races that matter," said Obama.

Obama also explained what he would do for Pennsylvania if he would win the upcoming November election. He said the economy of cities like Johnstown was top on his list.

“You can turn communities around,” said Obama. "It requires someone who is fighting for workers and not for Wall Street."

Obama said it’s his mission to make sure every worker has a job. He said he’ll do that by keeping jobs in America.

"I have said repeatedly, we have to stop giving tax breaks to companies that shift jobs overseas and start giving them to companies here in the United States," said Obama.

Additionally, he wants to provide more factory jobs by investing alternative energy sources like solar panels and wind power. As for deficient roads and bridges in the Allegheny region, Obama said he has a plan for those too.

"I think it's important to invest in infrastructure. I put forward $60 billion that will help infrastructure, above the normal highway transportation funds."

Obama will visit Johnstown on Saturday morning and will have a campaign stop in State College Sunday morning.