TRENTON — A fundraiser will be held for Gov. Chris Christie at the Southampton, N.Y., estate of former U.S. ambassador to Brazil Clifford Sobel, according to a report on NYDailyNews.com. The $3,800-per person cocktail reception on Aug. 28 will be co-hosted by Nick Loeb, the founder of Onion Crunch, and former New York City mayor Rudy Giuliani.