. >> dickerson: senator feinstein, thanks so much for beingith us. >>>>hank you, john. dickerson: with us now from austin, texass house homeland security chairman michael mccaul. i want to start with the isis threats t/ both new york abd washington, threats that have been made but the fbi says there's no credible evidence do you agree with that assessment? >> we don't have any specific credible evidence of plot underway. in the homeland we've arrested over 70 isis f flowers over the last year, we have a thousand investigations in all 50 states that gives you magnitude of what the fbi and homeland officials are looking at. in new york and washington are whe top two targets, i talkedd to nypd they have computer program that took 3,000 cops through that, they are ramp up security in both scene and unscene ways and very visible way,lso, to provide deterrence on the street. as we go into the thanksgiving holiday. >> dickerson: i want to ask you about this expression, no credible threat. how confident should americans be when they hear that? in paris presumably last thursday t