It wasn't the ultimate victory they were hoping for, but supporters of campaign finance reform are celebrating the passage of a bill yesterday that forces tax-exempt political organizations to disclose their contributors and reveal who they represent in their advertising. The bill is now on its way to President Clinton who has promised to sign it. David Schultz, is a Professor of Public Administration at Hamline University in St. Paul. He says this bill closes a loophole, but doesn't do nearly enough: