The staff of Newsweek will shrink dramatically, after 111 staffers on its news and business sides accepted a buyout last week. Among those leaving are some of the magazine's best-known, most-admired and longest-service critics, including David Gates, David Ansen and Cathleen McGuigan. Harold Shain, a former president of the magazine who moved over to sister publication Budget Travel at the beginning of this year, is also departing. 146 staffers were offered the chance to leave the magazine, with as much as two years of their current salary as a departing bonus, depending on their age and length of service. The...