Come on now, Japan would be mortified to serve the leaders of the free world (and the Chinese) anything less than a sumptuous feast. This is a cheap shot.
Besides, you can't cure world hunger with food, in any meaningful, long-term fashion. Shipping a food surplus to hungry people in underdeveloped nations just leads to more overpopulation globally. There will always be hungry people somewhere until we get the population under control. If this means that rich men have to eat caviar while discussing nefarious plans to unleash monkey AIDS on Africa, so be it.