Sacramento resident Robert Lee Grant will screen his documentary Nourishing the Kids of Katrina Wednesday at the Shepard Garden & Arts Center in McKinley Park. The film focuses on Alice Waters' Edible Schoolyard program in two New Orleans schools: Green Charter and Arthur Ashe Charter Schools. It will feature commentary from First Lady Michelle Obama and President Barack Obama regarding the installment of the White House's own organic garden and concerns about America's obesity epidemic. In 1995, The Edible Schoolyard was established at Martin Luther King, Jr. Middle School In Berkeley, Calif. by the Chez Panisse Foundation, a nonprofit organization founded by Waters. In an article in NR