lona henderson.you made a great case for gmo's and you said the most exciting advancements are in tomatoes, per se. you have seeds that are being sold to produce more and it's taking over the diversity and it might yet hold some promise. how do you balance those two things? >> i think in terms of mono culture it's kind of an overused word. and so there's a tremendous amount of genetic diversity within any of these crops that one would think this is a thing which it isn't. there's as much diversity in these crop that is are grown as there are in this room. it's not like they are all the same. they are very very very very different. i think the key is that if you go to the grocery store you're going to see this rich bountiful store of plenty where you have all kinds of different vegetables and different crops that are grown. it is not simply corn and soybean. i think where the monoculture comes in is we have a meat based society. that's where your soybean and corn is going. it's not going to us. we are