By Benita M. Dodd
For those who love to watch the passing parade – and have the time and inclination – few places are better than the sardine can that is a train. That’s why, once one neglects to make a timely reservation on any of the popular 30-minute, $40 road shuttle services between San Francisco and San Jose, the $7.50 Caltrain ticket becomes an enticing option. Once.
For 90 minutes in a nearly empty doubledecker car, you have the unique opportunity to eavesdrop on loud cell phone conversations; watch the Webcam conversation on the laptop beneath you; follow in fascination as a wannabe chef creates and devours a strawberry shortcake before your very eyes, or gaze out a grimy…