His new book is A Saint on Death Row: The Story of Dominique Green.
For The Week magazine, he named "six great works about justice and injustice."
One title on the list:
Letter From Birmingham Jail by Martin Luther King Jr. (Tale Blazers, $3.50).Read about the other five works on Cahill's list.
Inspired partly by Mahatma Gandhi’s nonviolent protests, partly by his own Judeo-Christian tradition, King restates for our time the classical articulation by Augustine of Hippo and Thomas Aquinas of why we are under no obligation to obey unjust laws.