Raise your hand if you believe in freedom of speech and a lively public debate of important issues. Now, raise your hand if you think a feature film depicting the assassination of President Bush sounds like a thought-provoking look at the important issues of the day. Educational entertainment. A good date flick, maybe, for that hot librarian, the one with the fading "Unelect Bush Again in ’O4" bumper sticker who goes for that deep-think Brit Masterpiece Theatre stuff. The BBC thinks so. Perhaps enviously eyeing the millions and the acclaim that self-loathing American Michael Moore’s exercise in distortion brought him,...