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Ahead with thoez pose policy re. >> thank you very much, mr. whittaker. we will be watching this as we discuss -- we havent seen a poll yet, after this attack, but that will be interesting to see how the public is reacting to this on a national level. back to you, john. >> okay, chris, thank you. for more on the manhunt as well as the investigation, we are joined by security expert aaron cohen, former member of the counterterrorist unit. why was a failed asylum seeker with amris background walki...