I went through a phase a few years ago of watching all the classic Hollywood dance movies, especially those of the legendary couple Fred Astaire and Ginger Rogers. So it was with a start this week that I learned recently that the key Supreme Court decision protecting parody as free speech, and against charges of the infringement of intellectual property rights, arose from those movies. The case is ROGERS v. GRIMALDI (1989). This means that it was decided at about the time I was watching all those movies, rented from a now-forgotten place called Blockbusters. That case was brought by THE Ginger Rogers, unhappy about a movie about two fictional Italian Cabaret performers. The name of the movie was "Ginger and Fred," because the two fictional performers in the movie were known to their admirers as "the Italian Ginger and Fred." Of course this presumes the familiarity of those admirers with the couple in the black-and-white photo above. A case now before the Supreme C...