U.S. signals concern Iran, Russia arming Syria
State Department says Syria may be using weapons shipments against anti-government protesters
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State Department says Syria may be using weapons shipments against anti-government protesters
In letter, Iranian nuclear negotiator says Tehran is committed to a dialogue on its uranium enrichment program
Concerns of country's unconventional weapons falling into terrorists' hands prompt gov't to monitor stockpiles
White House slams Syrian President's call for new reforms as more violence continues
Oil pipeline attack in Homs sets off huge blaze as city remains under siege and regime hunts down opponents elsewhere
Tens of thousands have been trapped in often-freezing homes and villages by walls of snow and unpassable roads
Israeli ambassador says "we can assume" explosions linked to India attack, "same network of terror"; 3rd Iranian escaped to Malaysia
Russia won't support any Security Council resolution that could "legitimize regime change"
New attempt to quell uprising would permit other parties to contest presidency, but it comes as violent crackdown continues
Announced advances include domestically produced fuel rods, machines to enrich uranium faster; Western experts doubtful
NYT's Thomas Friedman says they show Iran "clearly hurting" and it's almost as if its president wants Iran to be attacked
Xi Jinping receives unprecedented deference at White House, Pentagon, underlining importance of US-China relations right now
Chinese Vice President Xi Jinping to return to Muscatine, Iowa, where he led an agricultural delegation 27 years ago
Iranian patrol boats shadow USS Abraham Lincoln battle group through major oil shipping lane
Cabinet member strongly implies nation would seek revenge for bombing attempt blamed on Iranian