How can there be so much yellowcake in Iraq? Didn't Joe Wilson say there wasn't any at all?

The cake would need to be processed into 3.5%-4% for reactor use and at least 80% for bomb use natural amounts in the "yellow cake" are about 7% this process takes many steps and uses toxic chemicals to the max Yellow Cake is not found in Iraq but does not represent a threat to America or Isreal!!!! only a scame!!!!