it makes me quite frankly angry. >> reporter: there's no one cause for the shortages. there are various things at play: manufacturing delays, recalls, sometimes pharmaceutical companies can't get raw materials or because many of the drugs have been off patent for years, they're generics when they need to upgrade a line, rather than putting expense into it, they say the profit marge sin so slim, let's stop making the drug. there is legislation before the house and senate that would try to change all of this, it would mandate that manufacturers give more advance warning of a looming shortage and provide penalties if they didn't but jenna, that legislation has been stuck in committee since february of this year. gen jen what an interesting story, jon. -- john, we'll continue to follow it. john roberts from atlanta, thank you. gregg: protestors on wall street, getting the boot. something big is going on right now in lower manhattan rick folbaum will have the very latest on this developing story and a big battle is playing out when it comes to the presidential primaries. which candidate will get the most pop from a primary that, well, could happen