Once we have troops on the ground - we will have some captured eventually - so when it is American soldiers beheaded on the web for propaganda fodder what will the reaction be.
we are still tied into the last two wars we engaged with no end game in mind.
Maybe donald brumsfield might be available as an adviser on this one as well.
As long as IS was keeping Asad busy - we really had no vested interest in wiping them out -
I suppose this only became a US problem when it threatens our oil supply?
We generally don't engage in wars over threats.....
or execution of American workers.....
There has to be a pretty high bar to engage....