investigators think might have caused a deadly fertilizer plant explosion that devastated the tiny town of west, texas. it s been almost a month since ammonium nitrate stored at the plant blew up so powerful it registered as an earthquake. the blast killed 14 people, many first responders, wiped out p t parts of the town. cnn s ed lavandera is west, texas, where state and federal investigators are prepared to hold a news conference to announce the results of their investigation. ed, what s the latest on what we can expect to hear? reporter: hello, chris. i just want to give you a sense of the backdrop you see behind me. this is a house not but a few hundred yards from the plant that exploded. the cleanup continues, a house we were in just a few days after it exploded. one of the neighborhoods that had been cordoned off for quite some time. what many people in this area are anxious to hear what kind of definitive answers investigators will provide this afternoon as to what might have
you? first of all, chris, let me just say that these kind ever studies are the bane of my existence and everyone else who has to decipher and report on these issues. let s be clear. for a long time, the recommended amount of salt intake per day has been 1500 to 2300 milligrams. 2300 milligrams is about one teaspoon of salt. the reason we ve recommended the 1500 is for subgroups, african-americans, those with high blood pressure, diabetes, chronic kidney disease. these are people who need to lower their salt intake to 1500 mill grams, we ve said. this study, let s be clear what it says. this study is looking at that subgroup saying that taking them down to 1500 milligrams may or may not be beneficial. it does not, however, recommend what the minimum or the maximum should be. so big organizations like the american heart association is standing by its recommendations because there s a lot of problems with the methodology of
scholarship. jpmorgan chase. they re the ones bringing this motion to the court and saying, we want to change this. so it does look and smell at this point like a, we didn t read the fine print until someone raised our attention to it. fair analysis? seems like a fair analysis. certainly you can argue that they should have looked at this, should have addressed this and this should not whether it s 1997 that was the last grant awarded or present day 2013, certainly it should not have waited to this point. but things happen. apparently it was missed. now that it has been missed we know that the trustee, jpmorgan chase, is doing it with the support of columbia university, trying to address the law, declare this provision invalid and improper, not to mention unlawful. do we know if all the kids who got the fellowship were white kids from iowa? apparently there were. they were kids from iowa. what was interesting, chris, in looking at this, it was not spoeszed to be for attorney
they resettle them. they visit them occasionally, every six months, but they really don t foe what they re it doing. it s a vast program, and the chances of one of these guys turning on us is pretty good. i ve got to tell you, bob, this is an unconvincing conversation that we re having here right now. i mean, how do you fix this? it s very nice of you to come from your kitchen. appreciate having you here on the show. you re not to blame for this, but you understand the situation very well. how do we fix this so that you can monitor people effective loy? is that too much to ask? well, you know, i m not even sure you can fix it. once you resettle people in this country, there s no way to keep track of them. i totally agree with you. it s a system that s broken. you know, can you put them in jail after they ve helped us? no. is there another country that can take it them? no. will it take some horrible event to convince us that it has to be monitored properly? yes. chris, you re right
that phase will take. chris? obviously that distinction is painful to hear because that means they don t believe they ll find people alive. hopefully they re wrong. hopefully we get some good news. and certainly no matter what develops there, there s so many who need help. alina, thanks for the reporting. visit our impact your world page at cnn.com/impact to see how you can help. when we come back, a very important controversy. the irs scandal, to hear it from the politicians, it s all about going after conservatives. what did the irs really do? what is it supposed to be doing? there are big questions we ll go through when we come back. would you take it? well, there is. [ male announcer ] it s called ocuvite. a vitamin dedicated to your eyes, from bausch + lomb. as you age, eyes can lose vital nutrients. ocuvite helps replenish key eye nutrients. ocuvite is uniquely formulated