Sky News AustraliaObama Warns of Military Action on Syria Over Chemical WeaponsNew York TimesWASHINGTON — President Obama on Monday threatened military action against Syria if there was evidence that the government of President Bashar al-Assad was moving its stocks of chemical or biological weapons. It was Mr. Obama's most direct warning of ...Obama: Use of chemical weapons by Assad would be 'red line'Jerusalem PostObama warns Syria's Assad chemical weapons a "red line"ReutersObama: Chemical weapons in Syria are a 'red line'BusinessweekWashington Post -BBC News -Haaretzall 333 news articles »