John Leonard, "the fastest wit in the East" (The New York Times Book Review), is back with the offbeat, wide-ranging style that earned his last book, When the Kissing Had to Stop, a place among the Voice Literary Supplement's "25 Favorites of 1999." Now, with an eye to the social and political experience of writers, Leonard adopts a broad definition of exile. He addresses Robert Putnam's Bowling Alone, where exile...