you don't have a free press in russia. >> joe cirincione, president of the plowshares fund.ways talking about something dark but it's nice you have to here tonight. >> it's nice to see you, rachel. >> we'll be right back. stay with us. most people think a button is just a button. ♪ that a speaker is just a speaker. ♪ or - that the journey can't be the destination. most people haven't driven a lincoln. discover the lincoln approach to craftsmanship at the lincoln summer invitation. right now, get 0% apr on all 2019 lincoln vehicles plus no payments for up to 90 days. only at your lincoln dealer. my car insurance, so is only pay for what i need. and this is me now! any physical changes to this man's appearance are purely coincidental. only pay for what you need. ♪ liberty. liberty. liberty. liberty. ♪ depend® fit-flex underwear for all day fun... features maximum absorbency, ultra soft fabric and new beautiful designs for your best comfort and protection guaranteed. life's better when you're in it. be there with depend®. >>> that's going to do it for us tonight. in terms of to

you've seen people like joe cirincione and jeffrey lewis and other nuclear experts and weapons experts here on nbc and other news outlets talking about this, trying to explain this accident, the seriousness of this, what kind of test might have gone so wrong that produced this fatal accident. also the scary cageyness and secrecy from the russian government about whether there's a threat here to the civilian populations nearby the site of the accident. i think nobody at this point can say they definitively know for sure, but at least the consensus of the western speculation is that putin's government might have been trying to test the sort of missile that he promised in last year's state of the union address, which he described as a missile that was a nuclear missile, not in the sense that it was armed with a nuclear warhead. it would be a conventional missile, a cruise missile essentially, but it would be powered by a nuclear reactor. so you can imagine instead of a conventional rocket like some sort of conventional jet propulsion system, what putin has been threatening to build, what

. >> joe cirincione, president of the plowshares fund. i miss you, my friend.g dark but it's nice you have to here tonight. >> it's nice to see you, rachel. >> we'll be right back. stay with us. >> we'll be right back stay with us -i'm not calling him "dad." -oh, n-no. -look, [sighs] i get it. some new guy comes in helping your mom bundle and save with progressive, but hey, we're all in this together. right, champ? -i'm getting more nuggets. -how about some carrots? you don't want to ruin your dinner. -you're not my dad! -that's fair. overstepped. who used expedia to book the vacation rental which led to the discovery that sometimes a little down time can lift you right up. expedia. everything you need to go. expedia. ♪ ♪ applebee's handcrafted burgers now with endless fries starting at $7.99. and get more bites for your buck with late night half-priced apps. now that's eatin' good in the neighborhood. trust us. us kids are ready to take things into our own hands. don't think so? hold my pouch. >>> that's going to do it for us tonight. in terms of tomorrow's ne