Guests: Elizabeth Gregory, U of Houston; Bonnie Steinbock, Bio Ethicist. Women giving birth in their 40s hardly seems unusual any more. But what about having a baby at age 50 or older? It's the new frontier of motherhood. Inside E Street examines whether the reproductive technology that allows older women to have babies is good for society. While birth rates are generally down across the board, birth rates for older women are up. And while birth rates are generally down across the board, birth rates for older women are up. Lark McCarthy talks to Elizabeth Gregory, Director of the Women's Studies Program at the University of Houston. Gregory is the author of Ready: Why Women Are Embracing the New Later Motherhood. And, Bonnie Steinbock, professor and medical ethicist at the University of Albany. She's also the author of Life Before Birth: The Moral and Legal Status of Embryos and Fetuses.