The typical American family has changed dramatically since the days of "Ozzie and Harriet" and "Father Knows Best." Double-income families are now the rule, and fathers are much more involved in raising the children and cleaning house. Reactions to these changes have been diverse, ranging from grave misgivings to a sense of liberation and new possibility. Groups as diverse as Promise Keepers, the Million Man March, and Robert Bly's mythopoetic men's...