US President Obama says Syria's "chemical weapons use" is threat to the world

The alleged chemical weapons attack in Syria threatens US allies such as Israel and Jordan, but he has not made a final decision,"the moral distinction with chemical attacks is not a false one". "You can kill multiples of thousands of people quickly using chemical weapons, whereas doing it with guns, rockets and knives, it takes longer and you have a chance to react and stop it." But Kay questions how a US military strike could prevent chemical weapons being used again in Syria.