heather katcher, registered dietician, washington center for clinical research.
dr. michael greger, humane society, public health and animal agriculture.

dr. david morris, biotechnologist, biofuels specialist.
katherine english, the fertlizer institute, lobbyist.
deb klein, farmer, soybean and corn.

aaron fuchs, wagshals, manager.
paul shapiro, humane society, senior director factory farming campaign.