Director of National Intelligence James Clapper testified at the Senate Armed Services Committee on February 9, 2016 on the top global threats to the US. A portion of his remarks related to the tumultuous Middle East. The two hour plus video may be seen/heard at http://www.c-span.org/video/?404436-1/james-clapper-testimony-global-threats.
His remarks about the Middle East in particular may be read on p. 21-26 at http://www.armed-services.senate.gov/imo/media/doc/Clapper_02-09-16.pdf.