King John long ago acquired the epithet 'Bad, ' and he is reputed to be the worst of England's kings. Before his death in 1216, his desperate exploitation of his subjects for ever more money had turned him into the mythical monster of Hollywood legend. In marked contrast to his brother Richard, John appeared incompetent in battle, failing to defend Normandy (1202-04), and was unsuccessful in recovering his lost lands in 1214. A continuing crisis was...