NJ Gov. Christie's Approval Slipping?

New Jersey Governor Chris Christie has been making some tough cuts to revive the state's budget since he took office. According to one poll from SurveyUSA, the governor's approval rating has taken a beating as a result:

It's not clear what kind of polling SurveyUSA did to find these numbers. Rasmussen's poll of likely NJ voters found him sitting pretty with 53% support just a week ago. Regardless of the polls and the numerous public smear campaigns the gov is facing, the Trenton Thunder still has my support.