Could you be more explicit, please, about this "mandatory, EU-wide, tax on all its citizens"? I've had a bit of a search and haven't found anything that seems l

Could you be more explicit, please, about this "mandatory, EU-wide, tax on all its citizens"? I've had a bit of a search and haven't found anything that seems like it fits your description. No doubt I'm just being dim; could you provide a link or something of the sort?