Dan Hamilton spends most of the year in Washington, serving on the policy-planning staff of U.S. Secretary of State Madeleine K. Albright. But in July, as he has for the past 16 summers, he will pack his bags and disappear into the woods near Bemidji, Minn., where he will assume the identity of Karl, dean of Waldsee (lake in the forest), a village where everyone speaks German.
Founded as a language-immersion program of Concordia College, Waldsee is one of 10 foreign-language clusters of Concordia Language Villages, where authenticity is a watchword. When 5,200 children (ages 7 to 18) "cross the border"...