California's 450-mile-long Central Valley produces one third of all the food grown in the US. It's a precious resource often forgotten by those of us in the rest of the state. New York Times food columnist and cookbook author Mark Bittman paid a visit and found that the astounding production levels of the past 100 years may not be sustainable. We hear what's being done to destroy — and to save — the Central Valley. Also, with campaign commercials filling the air, we take another look at Proposition 32 on political contributions by payroll deduction. What does it do? Who's in favor, who's opposed? On our rebroadcast of today's To the Point, abortion rights, the US Supreme Court and the race for the White House.
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