Iran after the nuclear deal: How American spies will blend in

"For more than 30 years, Iran has been a black hole for the CIA and other intelligence agencies. U.S. spies are hoping to capitalize on the latest diplomatic contact between Tehran and Washington, D.C." "Limbert believes the greatest benefit of the current climate of diplomacy may simply be more American business travelers, more American journalists pouring into Iran. That makes it easier for American spies to blend in and move around and talk with ordinary Iranians."