An expert on seniors says grandparents need to know the powerful influence they have on the lives of their grandchildren. In his new book, The Grandparent Factor (Baxter Press, 2003), author Phil Waldrep looks at the pivotal role grandparents can play in children's lives, and outlines five principles to help grandparents make a difference. Waldrep says he wants to help people understand that the greatest moral force in the life of most kids today is a grandparent, a fact that his own research authenticates. The author cites one revealing experience when he worked for two weeks with members of a...