Are Potter DVDs Running Out of Magic?

The latest installment in the wildly-profitable series of "Harry Potter" films is certain to be one of the big movie-going events of the summer when it opens on July 15. But Harry and friends appear to be powerless to stop eroding DVD sales. This is a serious issue for the movie industry because for many films DVDs have been more profitable than theatrical release. But DVD sales for all movies are down markedly over the last two years, according to this Los Angeles Times story.