Hassan Rowhani, the bearded cleric who is leading the pack in Iran's presidential election, is a moderate who has pledged to engage more with world powers in hopes of easing crippling economic sanctions. Rowhani, who headed Iran's nuclear negotiating team in the early 2000s under reformist...

  President Obama made the decision after his administration concluded Syrian forces under Bashar al-Assad were using chemical weapons, a spokesman said. Ben Rhodes did not give details about the military aid other than to say it would be "different in scope and...

  It's a warm day on the Turkish-Syrian border. France's recently recalled ambassador to Syria  is incognito with his deputy and a security agent. After checking the surroundings are clear, the diplomat pulls out a stash of brown envelopes stuffed with thousands of dollars....

Sarin, a deadly nerve gas which the United States now says the Syrian regime has used against rebel forces, was developed by Nazi scientists in 1938. Originally conceived as a pesticide, sarin was used by Iraqi dictator Saddam Hussein's regime to gas thousands of Kurds in the northern town...