Fans of La La Land will be happy to hear that writer-director Damien Chazelle and star Emma Stone may be reuniting in a new project. Dubbed Babylon, the 1920s-set piece will be a Hollywood story about the movie industry's transition from silent films to "talkies." Chazelle wrote the piece and will direct it as his next film if and when a studio or streaming service steps up to take on the project. But it's been making the financing rounds for a month or so now without a commitment; could the period pic be too pricey and …