just ahead, robert mueller says his report speaks for itself. how much will democrats get out of him if they issue formal subpoenas this week? and the site of the nuclear devastation turns into a tourist attract. cnn goes to chernobyl to see how the hbo series about the me meltdown is drawing visitors despite the potential radiation risks. i am here. aim to say that more with aimovig. a preventive treatment for migraine in adults that reduces the number of monthly migraine days. for some, that number can be cut in half or more. don t take aimovig if you re allergic to it. allergic reactions like rash or swelling can happen hours to days after use. common side effects include injection site reactions and constipation. aim to be there more. talk to your doctor about aimovig. hi, do you have a travel card? we do! the discover it® miles card. earn unlimited 1.5 miles on every purchase, plus we ll match your miles at the end of your first year. you ll match my miles?
or ramifications for this sort of for these facilities elsewhere in the world? or is this just such a specific set of challenges that there are no conclusions to be drawn? well, i think number one, we don t know, christine, and that s the question we ll be asking in the months and years ahead as they do evaluation and figure out exactly what happened, see the lessons learned and see if they can be applied elsewhere. united states is unlikely to face an 8.9 magnitude earthquake, but there are other areas. i m sure there will be lessons we learn. i still worry about the fuel ponds, there are still shoes left to drop here. but in every case, nuclear scientist engineers are going to be studying this and trying to improve things back here. define for me meltdown. people assume a worst-case scenario. others say, look, this is not even a full-fledge meltdown, they re doing everything they can. what is a meltdown? and is that a word that maybe