Into the sewer February 2, 2004 Note: This column contains language that may be offensive to some readers. When Jack Paar, television's late-night talk show pioneer, died last week at 85, every obituary mentioned the time he walked off his NBC show in a huff, angry that the network's censors had cut a joke he'd recorded the day before. The joke turned on a misunderstanding of the letters "WC" -- the initials of "water closet," an Anglicism for toilet. By today's standards, it was an almost completely innocuous story -- a somewhat labored yarn about an English tourist writing to...