SACRAMENTO, Calif. - Provide free preschool for all California children, tax the rich to pay for it, and get a famous Hollywood director to sell it. A measure on Tuesday's ballot to create universal preschool in the nation's most populous state seemed like a can't-miss idea in heavily Democratic California. But the $2.4 billion-a-year plan has been a tough sell. The Preschool for All initiative's best-known supporter, "When Harry Met Sally" director Rob Reiner, ducked out of the campaign spotlight this spring after a state education commission he headed was accused of improperly using taxpayer money to run TV commercials...