Delta farmer Russell van Loben Sels, PPIC senior fellow Ellen Hanak, deputy operating officer for the Santa Clara Valley Water District Joan Maher, and executive officer of the Sacramento-San Joaquin Delta Conservancy Campbell Ingram talk with San Francisco Chronicle deputy editorial page editor Lois Kazakoff about a major source of California's water supply, the California Delta, at a panel co-presented by Occidental College. Will the Bay Delta Conservation Plan work? What are the biggest problems facing the Delta today? And, what do Californians need to know about this part of our state?