From Adam: "Hint: It's not because they kill lots of innocent people.
"But if "strong evidence" is found of such weapons being used by the regime of President Bashar al Assad, then "that is a game changer for us" because "there is a possibility that it lands in the hands of organisations like Hezbollah", Mr Obama said."
"But if "strong evidence" is found of such weapons being used by the regime of President Bashar al Assad, then "that is a game changer for us" because "there is a possibility that it lands in the hands of organisations like Hezbollah", Mr Obama said."