Cannisters of Sarin would work just as well on Lebanon or Israel as they would on Damascus or Homs.
There is no way that Obama can permit the dissemination of Sarin without an instant and overwhelming show of force.
Sixty years after the Second World War the human race has to be better than Adolph Hitler.
With North Korea and Iran playing with ICBMs the United States is once again the only world player capable of stopping genocide.
Clinton waited too long in Serbia and Obama and Hillary understand the lesson.