Rep Rick Crawford: We don't want to be guilty again of 'failure of imagination'

Rep. Rick Crawford, R-Ark., discusses what has changed in homeland security in the 25 years since 9/11 on 'The Story.'

Rep. Rick Crawford, R-Ark., discusses how homeland security has evolved in the 25 years since the Sept. 11 terrorist attacks, examining the lessons learned from 9/11, emerging threats including artificial intelligence, drones and cyber warfare, and why he says the United States must remain vigilant against future attacks on 'The Story.'