Doing a deal with the devil is not the way to defeat evil

FORGET principles and morality. Forget, or try to forget, the quarter-million deaths for which Bashar al-Assad is responsible, directly or indirectly, since choosing to respond with violence to a peaceful uprising of the Syrian people.
Set aside the fact that Assad’s forces have caused 10-15 times more civilian deaths thus far than the Islamic State, whose horrific execution videos have overshadowed the Syrian dictator’s invisible massacres.