determines how we act. >> do you think the trump doctrine fits into that? >> i think it does. if you recognize the threat that our country faces if there is a use or spread of chemicals of mass destruction, the proliferation of those that spread to other groups is a clear danger to our country and our people. >> and then there's a confusion over sean spicer's statements over barrel bombs. spicer's statement on barrel bombs, you were in the briefing today, explain exactly what he said. >> reporter: sean spicer was asked exactly what it would take to sort of provoke another attack in syria, would it have to be a chemical attack, would it be a conventional weapon? so sean spicer, not once, not twice, but three times said barrel bombs would be enough. let's watch. >> the sight of people being gassed and blown away by barrel bombs ensures that if we see