You are fat because there is too much corn. [NYT, forfeit of first-born son required] I love good old-fashioned materialism, and Michael Pollan (author of The Botany of Desire) scores one for the team with this article on the economics of corn production. Are we fat because New Deal agricultural policy was overturned in the 70s by Rusty Butz? Now there's a trailing question we can all enjoy.
"I think that first world environmental groups (who oppose development of genetically modified crops) should put on the hat and shoes of farmers in Mali who are faced by repeated crop failure." -- Sakiko Fukuda-Parr, lead author of the U.N. Development Programme's annual Human Development Report. (Here's another report on the same issue which includes a great deal of background information about the problems which still need to be solved, and why genetic modification of food crops is an essential part of the solution.)