Delta smelts: Preferred over humans. Environmentalism: Sen. Dianne Feinstein votes to deny water to California's drought-stricken San Joaquin Valley. Farmers, families and food are being held hostage to an endangered fish called the delta smelt.There was a time when the San Joaquin Valley was the most productive agricultural region in the world. It was a large part of what made the Golden State golden.Now it's a place where farmers no longer farm, but instead line up at food banks to feed the families of those who once fed the rest of the country and a good chunk of the...