How do middle-class American parents with young children feed their families? Where do they shop and how much do they buy? Are American consumption patterns similar to those in Europe? In the second installment of a three-part series, three UCLA social scientists open pantries and refrigerators to reveal the convenience foods and bulk shopping habits of the dual-income, middle-class families featured in their new book, "Life at Home in the Twenty-First Century: 32 Families Open Their Doors." (#24700)