CNN Crossfire November 27, 2013 23:57:00
"forbes" magazine, al gore has joined his running meat, becoming a vegan a couple months ago. >> it's like playing the piano and deciding, i'm only going to use the white keys, not the black and white keys. it does take a little time to get used it. >> reporter: walter scheibe served as white house chef for several years. >> president clinton, a little bit more diverse in his dining, that's sort of a euphemism, saying he ate pretty much everything. >> president clinton described his updated diet to dr. sanjay gupta in 2011. >> i like the stuff i eat. i like the vegetables, fruits, the beans, t...