good evening, glen. >> good evening. >> what do we know from this chatter? >> well, the first thing that's most important to make clear is that there is no known credible threat to any location in the united states. but out of an abundance of caution, they're stepping up the listening and they're stepping up the police presence across major cities. >> from the governor of new york and the mayor of new york city, lots of changes happening here. i'm guessing it's similar in most cities. >> that's right. we'll start with new york and new jersey. we're hearing here that they're stepping up the police presence. they're deploying their counterterrorism outfits. they've got a heavy armed presence in major places like train stations, stadiums, and they also have a lot more planes close officers out on the streets. we're hearing the same thing in major cities across the nation, from chicago to l.a. to france, to boston. >> glenn, i've been struck -- i don't know about you. i've been struck by our reporters and those from the