Brian Hook, U.S. Special Representative for Iran, speaks about the Iranian regime’s threats to the international community. (© Al Drago/Reuters

Brian Hook, U.S. Special Representative for Iran, speaks about the Iranian regime's threats to the international community. (© Al Drago/Reuters Pictures)

Brian Hook, U.S. Special Representative for Iran, speaks about the Iranian regime’s threats to the international community. (© Al Drago/Reuters Pictures)