“And why are they striking empty buildings?”
My guess is that Obama knows they are empty and wants to appear to fight ISIS without actually doing them any harm.
Thus the reason obumbles demanded he personally approve all Syrian targets. One has to wonder how many were suggested but turned down by him. WSe’ll never know.
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http://www.nationalreview.com/corner/388306/report-obama-requiring-personal-signoff-syria-bombing-targets-andrew-johnson