3Qs: Growing tensions between Saudi Arabia, Iran

The two Middle East nations are in the midst of a height­ened diplo­matic con­fronta­tion that has gar­nered the atten­tion of the global com­mu­nity. Pro­fessor Valen­tine Moghadam, an inter­na­tional affairs expert, explains why rela­tions between these coun­tries have been strained for some time.