Leading in the national polls and within striking distance of scoring big victories in Michigan and Arizona next Tuesday, Rick Santorum is portraying himself as the little 'guy from a steel town' who will stop Barack Obama from accumulating regal powers. 'Back in 2008, the American public at a time of crisis went for a rock star that they believed could solve their problems, someone that they believed in to make a difference in their lives,' he said at the Maricopa County Lincoln Day lunch in Phoenix, Arizona. 'This election, Americans are going to go back to what we've done...