Monday is the final full day of campaigning for New Jersey's gubernatorial hopefuls.Polls show Christie and Corzine running neck-and-neck, withIndependent Chris Daggett a distant third.President Obama made his fourth campaign appearance for Gov. Jon Corzine on Sunday. At a rally in Camden, Obama blamed the economic downturn on trickle-down policies and lax regulation favored by Christie's Republican Party.Christie has been joined by several prominent New Jersey Republicans and former New York Mayor Rudy Giuliani. And on Saturday, he stood with former primary rival Steve Lonegan atone event.AP wire services contributed to this report