Pact with Iran at risk of collapse.
Spokesman warns actions could escalate into cyberwarfare.
Issue arises because shortage of priests mean Catholics can go weeks or months without Mass.
Atomic agency says it could enrich uranium to nearly weapons-grade levels.
Hundreds of protesters sat on and along a main road through downtown, but they were scattered over a relatively wide area.
The Corona, Calif., Police Department says a fatal shooting inside a Costco warehouse store Friday night took place after a 32-year-old man attacked the officer.
Sara Netanyahu ordered to pay $15,000 in plea bargain.
Amanda Knox talks on panel in Italy.
Cold War foes step up cyberwar aggressiveness.
Activists said they still plan a mass protest for next week.