I. Introduction: Two Californias The cold arrives before the sun in the Central Valley, a damp chill that seeps through layers of worn clothing. It is 4:30 a.m. In a small, overcrowded house just outside of Fresno, Elena pulls on a pair of stiff work boots, her movements quiet so as not to wake her two children. Outside, the headlights of a labor contractor’s van cut through the darkness, one of dozens fanning out across the sleeping landscape to collect the hands that will h