Shep Gordon discusses his move from managing musicians to star chefs, and Lisa Morehouse reports on the role compulsory farming played for Japanese-American internees at the Tule Lake Segregation Center. In honor of Pi Day, Dan Pashman debates Evan over the particulars of pie, and Yasmin Khan shares a saffron rice recipe for Nowruz, the Iranian New Year. Plus: Kohlrabi is in season now at the Santa Monica Farmers Market.