Why the Attack on a Russian Airliner Changes Nothing

While the mystery of the Metrojet Flight 9268 crash has yet to be solved, a mounting pile of evidence points to the conclusion that it was taken down by a bomb. As the idea becomes more widely accepted, some are beginning to label the attack a "game changer;" others are starting to sow panic that the Islamic State may try to attack another airliner bearing tourists. But panic is the last thing the world needs right now, and it serves little purpose other than to contribute to terrible policy decisions. Instead, what we really need is a calm demeanor and a little perspective....