United States and European Union, are visas on the horizon

Plans to impose a fee of about $15 on all Visa Waiver Program travelers could be required when travelers apply for their required Electronic System of Travel Authorization or ESTA. The fee makes ESTA look increasingly like a visa in disguise. Add to that other concerns mentioned in Will recent squabbles hurt visa waiver hopefuls? and it is not hard to see the start of an immigration fight that ends with visas being required on both sides.