Intervening in Syria would be illegal. It would also be right

Errol Mendes, The Globe and Mail (Canada)
If the United States becomes convinced that Bashar al-Assad’s regime has started using chemical weapons against its own citizens, the “red line” set down by President Barack Obama will have been crossed. If the U.S. initiates military action as a consequence, it will provoke the same questions of legality that arose during NATO’s bombing of Kosovo 14 years ago.