Just and Unjust Wars

Political philosopher Michael Walzer protested against Vietnam. When it was all over, he sat down and wrote "Just and Unjust War." 30 years later, in a new book, he is still arguing about war but finding that some of his positions have changed over the years.

Click one of the "Listen" links to hear eminent philosopher Michael Walzer talk about why he is redrawing his line between just and unjust wars.

Guests:

Michael Walzer, political philosopher, editor of Dissent magazine, professor of social science at the Institute for Advanced Studies in Princeton, author of the new book, "Arguing About War"

Jack Beatty, On Point news analyst and senior editor of The Atlantic Monthly