President Barack Obama, who will push for Gov. Jon Corzine's re-election at a rally in Hackensack tomorrow, has a 53%-39% approval rating in New Jersey, according to today's Monmouth University/Gannett New Jersey poll. But 73% of likely voters say Obama's endorsement will have no effect on their vote; 12% say they will be more likely, and 14% are less likely. Among undecided voters, 78% say Obama won't affect their vote, while 5% say more likely and 14% say less likely.
By the way, respondents typically say endorsements won't influence their vote, but they often do.