Gary Sick, an expert on Iran at Columbia University, says he isn't so sure.

NPR: Level of Iranian Support for Ahmadinejad Uncertain

Gary Sick, a professor at Columbia University's Middle East Institute, says he's surprised how quickly the rhetoric and actions have developed.

NPR: White House Approach to Iran Stirs Concerns

Professor GARY SICK (Columbia University): It's good to be with you, Steve.

NPR: Ahmadinejad's Role in Iran Hostage Crisis Disputed

The opinions expressed in this commentary are solely those of Gary Sick.

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Gary Sick, a professor at Columbia University, thinks the process is bankrupt.

NPR: U.S. Intelligence Report Complicates Iran Debate

These days, Gary Sick is a professor of Middle East politics at Columbia University, and he continues to closely follow matters in Iran.

NPR: Ahmadinejad's Role in Iran Hostage Crisis Disputed

Columbia University's Gary Sick says there is only so long Tehran can watch and do nothing while the U.S. increases its posture and rhetoric.

NPR: White House Approach to Iran Stirs Concerns

Gary Sick illustrates the broad reach of the AIC-NIAC network.

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Gary Sick, welcome to the program.

NPR: Ahmadinejad's Role in Iran Hostage Crisis Disputed

Dr. GARY SICK (Senior Research Scholar and Adjunct Professor of International Affairs, Columbia University): All we ever talk about is adding more sanctions until Iran finally gives up, and I don't know of anybody in the European side or the American side, who genuinely believes that another round of sanctions, which is likely to be pretty mild, is going to make Iran really change its policies.

NPR: U.S. Intelligence Report Complicates Iran Debate