kim barker, groups can define themselveses and proceed in their work?t's also part of what happens, right? >> absolutely. you don't even have to apply to the i.r.s. for recognition as a social welfare nonprofit to o in effect go out tomorrow, incorporate your own social welfare nonprofit, said sai it's like values for a better america, start raising money, spend some money on an election, and then you can fold up before your first tax return is even due. so in many ways, the i.r.s. can't even match the speed of politics. and that's something i think that's gotten lost in this debate is why are we even talking about the i.r.s. monitoring the political spending of these groups when the f.e.c. is, theoretically, supposed to be the agency that's monitoring political spending? >> brown: well, richard schmalbeck, do you have an answer for that or is that just how the system has evolved? why is the i.r.s. the one looking at it? >> well, it is part of the internal revenue code, so they are the enforcers in chief as to 501-c-3, 501-c-4s, but they do have a joint

kim barker with the investigative web city propublica. put another proposal on the table. this one, i'm going give credit to jonathan bernstein a political scientist wrote a piece called how to fix the irs mess. at the root of all of this really is a basic problem. that's -- basic issue. the supreme court has said in two rulings over the last 35 years or so, money equals free speech. second, the corporations can give money to elections. you have that and then you look at the evolution of campaign finance reform law over the last generation or so where it basically has -- been an attempt to move political money away from candidates, away from campaigns and parties. you had soft money originally and you had 527s a decade ago after mccain/feingold. now the new loophole karl rove and other people exploit, patch up the 4 it goes somewhere else. what bernstein proposed, he said -- let's admit that this money right now because of the supreme court is -- it is out will and will find a way into the system. let it go back to the campaigns and let i

. >> barker, new york, for sam and his girlfriend, kim, october 3, 2008, began as an ordinary day. they were unphased by the darkening skies above. >> we get a lot of rain around here, so you really don't think much about the skies. >> we had some errands to do, so jumped into the truck and came back to get gas. this is the gas station we got it here. >> this is the station we were at. >> you want to go in there? >> pump three. >> pump number three it is. >> i left a little bit of me behind there at the pump. >> at the local k & k food mart, the store's surveillance camera captures what happens. that's sam dressed in hunting camouflage. >> paid for my gas, had a little conversation with the patrons inside. >> among them, amelia joy. it is just by luck that he's safe inside when an explosion rocks the gas station. >> while i was in the store, i went to the counter, to change my pump number. and that's when it all happened. >> kim is in the couple's pickup fiddling with the radio when suddenly a terrifying noise. >> i heard this huge, loud sound. the truck shook, and i hit the floorb