All the usual suspects clamouring for unions to be required by law to publicly reveal their financial accounts ought to be careful what they wish for. They may someday get their wish!
After all, the same logic being applied to unions by this alliance of far-right "think tanks," online and journalistic bloviators, neo-Con Members of Parliament, anti-union private corporations and business combines, and AstroTurf "taxpayer" and "small business" federations applies to most of their activities as well.