BREWSTER, Wash. - There's one word that politicians almost always use when they talk about the U.S. immigration system. That word is “broken.” But what does that really mean? Residents of the small town of Brewster, Wash., know. For decades, immigrants have come from Mexico, often illegally, to work the surrounding apple and cherry orchards. Bewster, it turns out, is a microcosm of how the immigration debate is playing out.