by Elizabeth Flock, The Washington Post Blog, USA - As the Stop Online Piracy Act heads to a vote in the House Judiciary Committee tomorrow morning, its opponents are lining up to stop it. The bill’s newest foe? Journalists. If passed, SOPA would expand the ability of law enforcement and copyright holders to shut down any site that hosts pirated content. But as the American Censorship group voiced on the blog Boing Boing on Wednesday, many believe “SOPA would not only hurt free speech, it will choke off the Internet workforce and its readers by taking down entire Web sites.”