The IAEA, the UN nuclear watchdog, said Monday that it can't guarantee the Iran nuclear program is exclusively for peaceful purposes, citing insufficient cooperation from the Islamic Republic.
China did vote Friday for IAEA censure of Iran nuclear program, but its distaste for stiffer sanctions has not changed.
President Obama had hoped to pressure Iran by building international consensus on tougher sanctions.
Iran does have enough fuel to, in theory, make a nuclear bomb. But that's been public knowledge since February.