TOWARD A DEMOCRATIC LEFT by Michael Harrington. 314 pages. Macmillan. $5.95.
Socialist Michael Harrington is one of the last of the political evangelistsby temperament more Old Left than New Left. He comes on, in the words of Britain's best America-watcher, D. W. Brogan, like a pastor at the moment of decadence. In The Other America, Harrington heaped coals on the heads of his middle-class pewholders by exposing the suffering of the "invisible poor"and helped make it a new priority of national concern. In this book, Harrington attempts Jeremiah's longest leap: from the catalogue...