Loving Hispanic woman is a state agency's ideal Thursday, May 13, 2004 "It means so much to them to have a home, to have some stability," says Margaret Quintana, surrounded by four of her five foster children. Margaret Quintana's most prized possessions include the mementos of a typically proud mother: pictures of smiling children, and letters, cards, and poems from them that describe the difference that her love made in their lives.They are not her biological children. They are the dozens of foster children, most of them Hispanic, whom Quintana has taken into her home during the last 16 years.Quintana...