Coffee Break 'Top employer' Starbucks has a crack in its image By David Segal Washington Post Via MSNBC April 12, 2007 NEW YORK - Four years ago, when he first donned a green apron at the Starbucks at Madison Avenue and 36th Street, Daniel Gross must have looked like any other scruffy college grad in need of a paycheck and a shave. Within a few months, though, it was clear that this Los Angeles native with the perpetual stubble was something very different: the Norma Rae of the Caramel Macchiato. Soon after he started, Gross and some fellow baristas began to meet at each other's homes to gripe about their jobs. The pace was exhausting, the store chronically understaffed and, under Starbucks's "flexible" scheduling rules, the number of hours they worked could change week to week, leaving them unsure of how much they would earn. Gross didn't look for a different employer. He climbed on the espresso bar waving a placard that read "UNION" -- metaphor...