president trump says that he's received assurances from turkey's president that turkey will finish the job, if you will, and eradicate isis from syria. should the president be taking turkey's word for it? >> well, it's far more complex than eradicating isis. you now have turkey invading syria. you have turkey quite probably attacking the kurds, who carried out work for the united states in eradicating isis from syria, all those things. now clearly things are being upset with regard to saudi arabia. i would assume that israel is having a fit, going oh, my goodness, now the door is open for iran to occupy southern syria and hezbollah and directly support hezbollah. and by the way, there is russia there. what the president simply has done is to totally create a vacuum, a vacuum that is going