Scott Conroy, RCPNEWARK, N.J. -- By several measures, Republican Gov. Chris Christie should be a vulnerable incumbent in this dark-blue state where President Obama defeated Mitt Romney by 18 points.New Jersey, after all, is suffering from a stubborn unemployment rate of 9.6 percent, anemic economic growth, and the nation's highest property tax rate.But the consensus among pollsters and political observers here is that Christie's prospects for winning a second term come November are brighter than ever."The Democrats never really figured out a way to knock him out before, ... Read More