. >>> melissa harrison of the natural resources defense action fund will discuss the water shut down. later, as part of our spotlight on magazine series kevin williamson of the national review on his recent article about whether congress shut reauthorize the export-import bank. you can join the conversation on facebook and twitter. >>> good morning, everyone on this wednesday, august 6th. president obama at the first africa summit announced $33 billion in new economic partnerships between u.s. companies and african countries, about 100 u.s. countries were represented at tuesday's event. the summit continues today with discussion on african businesses and politics as well as social issues. the president will close the summit with a news conference. look for coverage on c-span. we'll begin here today on the "washington journal" with your thoughts on the southern border, whether president obama should act alone on the issue. republicans (202) 585-3881,

paul, let's have melissa harrison jump in.uest: paul, thank you for your call, and i'm incredibly thankful for the work you're doing in north carolina. i could not agree more. water is one of our most vital sources, and one of things we have to think about -- paul, you mentioned fossil fuels. right now we have the clean water plan an opportunity to move this country forward, and find true economic prosperity and environmental protection at the same time, and ensure future generations a cleaner planet. i do think we have that opportunity, and any time america has been challenge with a problem like this, we have risen to the occasion. host: mike. pennsylvania. independent color. though ahead, -- independent caller. go ahead, mike. caller: yeah. one of the main concerns with pesticides,y cause weedkiller, to build up into the soil and flow into the water system. i was wondering why this buildup till andcides from no all types of farming does not act to control algae, which is also a plant. guest: it is a great question, but unfor

hypolet's have melissa harrison jump in. guest: i couldn't agree more. water and one of our most vital sources. right now we have the clean power act pending with the

hypolet's have melissa harrison jump in. guest: i couldn't agree more. water and one of our most vital sources. right now we have the clean power act pending with the agency. we have a right to ensure our future generations a cleaner planet and i do think that we have that opportunity and that anytime america has been challenged with a problem like this we've risen to the occasion. host: mike in pennsylvania, independent caller. go ahead, mike. caller: yeah, one of my main concerns with g.m.o.'s is the fact they allow pesticides, weed killer, to build up in the soil and i was wondering and then flow into the water system. and i was wondering why this build-up of pesticides from no-kill and all that type of farming doesn't act to control the growth of algae, which is also a plant. guest: that's a great question, mike. i appreciate that. ufl i'm not an expert on g.m.o.'s but i can say that one of the things we're most concerned about is the runoff going into these lakes and streams in hove alone nearly 5.2 million rely upon the streams and rivers that woul

. >> we are back with melissa harrison of the defense counsel from the communications director to talk about the water crisis areas would have and with toledo's water supply? >> guest: we worked at the ohio epa for four years and it was on the forefront of when we started the sampling where we actually found these talks in for the first time you realized this is happening in the lake eerie. there are contributed factors and if you think about it fixi fixing. but my church in and phosphorus into the water and when it also mixes together in the warm water that's where the type of algae really thrives. this isn't the worst algae bloom that we have seen in lake eerie but just a few years ago we saw one that stretched nearly from toledo all across the stop of the state to cleveland. what's difficult about this one is the toxins that were being formed from the algae were actually concentrated around the drinking water intake valve. >> host: what toxins cause the algae bloom? >> guest: nitrogen and phosphorus in the livestock production from urban runoff failing the systems there's a bunch of

then melissa harrison of the natural resources defense council action fund discusses the algae bloom in lake erie and left half a million people without tap water over the weekend. after that, "national review" correspondent on the debate over weather congress should re-authorize the export-import bank. your phone calls. we are live wednesday at 7:00 .m. eastern on c-span. earlier today the kaiser family foundation and the alliance for health released the results of a new survey looking at navigateors and brokers during the last health care open enrollment period. the next open noelment starts november 15. this is an hour and a half. >> if i could have your attention, let's try to get started. i'm from the alliance for health reform and welcome you to this program on behalf of senator blunt and our board of directors. it's a briefing on the people and programs in place in each state to help consumers understand their health insurance options, help them apply for assistance if they are eligible. each of the stathe marketplaces has these programs that are more than 4,000 of them in the

melissa harrison will discuss the water shutdown. later, as part of our spotlight on magazine series, kevin williamson of the national review on his recent article on whether congress should authorize the export-impart bank to help sell -- import bank to help sell products to customers. you can join in on the conversation on facebook and twitter. >> american history tv on c-span 3 this weekend. friday night at 8:00 eastern, watergate 40 years later with a cbs special report and president nixon's address to the nation. saturday at noon eastern, a call in with author john farrell. and sunday at 8:00 on our series gerald ford y, becomes the 40th president of the united states. former president bill clinton sat down with business leaders to talk about investment in africa. included in the discussion were the coast of the dow chemical country, general electric and wal-mart. his was part of the u.s./after ca business forum. >> -- africa business forum. >> good morning, everybody. i would like to begin by thanking secretary pritzker for the