NEWARK, NJ — Republican gubernatorial hopeful Jack Ciattarelli appears to be facing a steep climb heading into Election Day, with nearly 300,000 more Democrats casting ballots than GOPers in early voting. The data does not indicate who among the state’s total 1.3 million early voters backed in Ciattarelli’s tight race against Democratic Rep. Mike Sherrill, 53. But it signals that Dem turnout is high and that the 63-year-old Republican candidate will likely need a considerable surge Tuesday to