boston he is the research director of the global development and environment institute at tufts university in chicago we have david moberg he is a senior editor at in these times and in washington we cross ronald bailey he is an award winning science correspondent for reason magazine and reason dot com all right gentlemen crosstalk rolls in effect that means you can jump in anytime you want a david if i go to you first in chicago we had a food crisis price crisis in two thousand and seven two thousand and eight is it deja vu all over again did we learn anything from the last crisis. well some people may have learned something i think the crisis has not really ever completely ended from that time is building up once again. but they're basically lessons still need to be learned and one of them is that climate change is rapidly much more rapidly than anyone thought changing the whole circumstances for global food production ok tim if you want to jump in there what one lesson ok what lessons were learned more learned came. well we did a report earlier this year that looked exactly at that question and i