California continued... After a week in San Francisco, we headed inland and north to Napa Valley for sunshine and wine with a base in Saint Helena. For wheels, we rented a Mustang convertible from Avis in San Francisco. It's easy highway driving and aside from the usual traffic it should take less than two hours. On the way to Saint Helena, Ross and I stopped in Yountville for a coffee and snack at Bouchon Bakery, one of Thomas Keller's four Yountville properties. It was a