Founder and Chief Executive Officer of Pershing Square Capital Management LP Ackman speaks during the Sohn Investment Conference in New York

 
Founder and Chief Executive Officer of Pershing Square Capital Management LP Ackman speaks during the Sohn Investment Conference in New York
Founder and Chief Executive Officer of Pershing Square Capital Management LP Bill Ackman speaks during the Sohn Investment Conference in New York, May 16, 2012. REUTERS/Eduardo Munoz