YAKIMA, Wash--Just before 5 in the morning 39-year-old Rafaela Hernandez gets a ride to work. Like many campesinas, farm workers, she's in the fields by 5:30. This week she's picking pears. She heads home around noon. Sometimes the schedule changes or there's no work at all depending on the crops, but for the most part, from June until November, this is her life seven days a week. She says its pesado, duro, hard and heavy, work. But as she sees it, it could be worse. "Here at least we have work, food, en Mexico there isn't any", said Hernandez. 10...