New Jersey Gov. Chris Christie’s “bully” image is coming under bipartisan attack this week, as the likely 2016 hopeful is crisscrossing the nation this weekend in a final campaign to help elect Republican governors before Tuesday’s midterm elections. An incident Wednesday when the outspoken governor told a protester to “sit down and shut up” at an event marking the anniversary of Hurricane Sandy quickly became cable news fodder and fed into Democratic attacks.