there was a bombing here today. the president, we hear, has tried to balance the actual threat of terrorism to say it's a threat, but you're more likely to get struck by lightning. not to minimize it, but go on living your life. >> you can't live your life in a bubble. things like that happen, you have to be ready to respond. mentally prepare myself. i'm in a situation, which is what i'll do and i did it. >> i went it to paris for. the most recent attacks. i talked to witnesses who describe the look on the faces of attackers of being blank. just blank. almost like expressionless. >> i kind of blacked out. i was expecting a gun shot to go