Chelsea Clinton weds at exclusive New York estate (AP)

In this photo provided by Genevieve de Manio Photography, Chelsea Clinton and Marc Mezvinsky are seen during their wedding, Saturday, July 31, 2010 in Rhinebeck, N.Y.  Chelsea Clinton wed her longtime boyfriend under extraordinary security at an elegant Hudson River estate late Saturday. (AP Photo/Genevieve de Manio ) NO SALESAP - It was high society inside and high security outside as Chelsea Clinton wed her longtime boyfriend at an elegant estate in a Hudson River village where several prominent guests were spotted beforehand, but the husband-and-wife-to-be stayed out of sight.