specific scenarios that putin could use to justify war. why? >> could boe a fabricated, so-called terrorist bombing, a staged drone strike against civilians or a fake, even a real attack using chemical weapons. russia may describe this event as ethnic cleansing or a genocide, making a mockery of a concept that we, in this chamber, do not take lightly. >> a staged drone strike, inventive mass raids. what did you think when you heard that and why is he being so specific with the public? >> i hesitate to make world war ii comparisons but that's exactly what happened making fake claims about being attacked. i said if disinformation is going to be successful, typically you have to start with a baseline of truth.