A major surprise of L'Affaire Greenpeace has been how aggressively the French press has pursued the story. As watchdogs of government, French newspapers and magazines historically have been rather toothless. Though a few publications, notably the satirical weekly Le Canard Enchaine, occasionally have sniffed out scandal in high office, serious French journalism, by and large, favors analysis and ideological commentary over investigative digging. This time, however, periodicals ranging from the left-of-center daily Le Monde to the conservative newsweekly L'Express joined Le Canard Enchaine in unraveling, bit by bit, what has been dubbed Underwatergate.
The first revelation appeared in early August in...