WWW.ACEPIXS.COM . . . . . .September 21, 2011...New York City...US President Barack Obama and former US president Bill Clinton arrive for Obama to address the Clinton Global Initiative September 21, 2011 at the Sheraton Hotel in New York City....Please byline: KRISTIN CALLAHAN - ACEPIXS.COM.. . . . . . ..Ace Pictures, Inc: ..tel: (212) 243 8787 or (646) 769 0430..e-mail: info@acepixs.com..web: http://www.acepixs.com .