A screenwriter is helping settle a long-standing debate, saying that the action movie "Die Hard" is a Christmas movie.One of the movie's screenwriters, Steven E. de Souza, responded to a question by a CNN anchor after others debated the issue with the hashtag #DieHardIsAChristmasMovie.Responding to the question about whether "Die Hard" is a Christmas movie, Souza said in a tweet that the answer is "yes."The movie led to several sequels and was first released in 1988.