Washington, Rajab 1, 1433, May 22, 2012, SPA - U.S. President Barack Obama Monday spoke briefly with Pakistan President Asif Ali Zardari during the NATO summit in Chicago. U.S. National Security spokesman Tommy Vietor said that Obama and Zardari “had a brief conversation” with Afghan President Hamid Karzai and took a joint picture. --SPA 11:07 LOCAL TIME 08:07 GMT www.spa.gov.sa/1000766