NEW YORK - PPP Co-Chairman and former President Asif Ali Zardari arrived in New York Sunday evening on a ‘private visit,’ said the party sources. PPP Chairman Bilawal Bhutto Zardari, his son, and Rehman Malik are expected to join him in a couple of days. Zardari lived in New York from 2005 to 2007 and during that period he had treatment for a heart disease.