Source: NPR's Weekend Edition Sunday
U.S. intelligence services say that Iran does not have an active nuclear weapons program; Russia and China are likely to continue to resist the tough diplomatic approach favored by the U.S. and Europe.
The Bush administration has offered to talk to Iran only if it suspends uranium enrichment activities. If Washington drops those conditions, it could look weak in the face of Iranian hardliners.
Carnegie's Karim Sadjadpour speaks with Michele Kelemen.