http://blog.newsweek.com/blogs/tipsheet/archive/2008/01/05/when-it-s-quitting-time.aspxIllustration by Tim Bower for Newsweek Bill Barnes and Sara Cole are downwardly mobile. In the mid-1990s, the Seattle couple was living large on two Microsoft salaries and no big responsibilities. Sara, now 38, gave up her job when daughters Theo, 7,enCommunityServer 2.1 SP2 (Debug Build: 2.18)