Given the rapid increase of Pakistan's nuclear arsenal, a former CIA analyst suspects the country has a commitment to provide a nuclear bomb to Saudi Arabia.
"One of the great unknowns is whether they (Saudi Arabia) have already got a deal with the Pakistanis for a bomb. That's one of the mysteries of the contemporary Middle East and South Asia," said Bruce Riedel, a former CIA analyst who is currently with the Brookings Institute, an eminent American think-tank.
