Jordan's King Abdullah is vowing a relentless war against ISIS following the killing of one of its pilots. The Morning Joe panel -- including Ret. Gen. Barry McCaffrey -- discusses the latest details in the global response to ISIS.
JOE SCARBOROUGH: I just spoke with some friends in the region -- and actually sa former American official who last night told me that ISIS has, we'll just say, screwed with the wrong King. He's gonna light 'em up. He's going to -- knowing him and the way he thinks and operates -- it is going to be a take no prisoners approach, and all ISIS has done is put the king in a better position to use his power to go after him.