All of the targets in europe, africa, and asia know who they are.
If the US decided to launch an all out nuclear assault, it would mean that we are in a no win situation, and would be reduced to a scorched earth policy.
Think about this. We could literally return the world to the stone age in thirty minutes or less.
Well, the first nuclear bomb exploded in the MidEast will (now) likely be over top of Israeli citizens.
The second and third will be over top of Mecca. Then Medina.
Interesting: the Lefts justification for repealing the 2nd amendment is that we have evolved beyond the need for firearms.
That is Obama's goal, but he wants ISIS to do it over a couple of decades.