Arizona Senator, McCain, was hard at work making his case for the presidency to voters in Virginia and Pennsylvania.

McCain said, "We're going to bring real change to Washington, my friends. Also I have to give you some straight talk: we're a couple points back. Arnold said it best -- the Mac is back."

Obama meanwhile stumped for support in Nevada, Colorado and Missouri, where four years ago the three states voted for President George W. Bush's second term in office.

Except for Missouri, Obama is comfortably leading in the two western states. Obama said, "After decades of broken politics in Washington, eight years of failed policies from George Bush, 21 months of a campaign that has taken us from the rocky coast of Maine to the sunshine of California."

An RCP national poll average shows the Illinois Senator, Obama, is ahead of his republican rival 50 to 44.

Reports in the U.S. indicate while the confident Obama camp is predicting a landslide victory on Tuesday, McCain is pinning his hopes on an upset win.

With one in every seven voters or 14 percent of the total reportedly still undecided, political experts are careful not to jump to conclusions.

What many political pundits are betting on is a record voter turnout. One U.S. expert predicts more than 130 million people or 64 percent of eligible voters will cast their ballots -- the most since the 1960 election when John F. Kennedy was elected president.

Arirang News