STEVE INSKEEP, host:
The next crisis up for the United Nations may involve Iran. Tomorrow is the deadline for Iran to suspend its uranium-enrichment activities or face possible sanctions. Iran appears untroubled. Just a few days ago, President Mahmoud Ahmadinejad inaugurated a heavy water production plant which is capable of producing weapons-grade plutonium. At the time, the president said, quote, we are not a threat to anybody.