Memo

THE DAD BIZ

A library full of books have been written for working moms. But what about fathers who want to balance responsibilities at the office with those at home? Business Dad: How Good Businessmen Can Make Great Fathers (and Vice Versa), by Tom Hirschfeld with Julie Hirschfeld (Little, Brown), attempts to reconcile the briefcase and the diaper bag. The book is sometimes too cute by half--thank goodness, there's no real degree known as a Master of Baby Administration--but Hirschfeld gives useful advice to the businessman who wants to make a difference in his children's life. "Companies get bought and sold,"...