the EU is already introducing a similar system to the ESTA regardless: http://www.schengenvisainfo.com/brussels-prepares-eu-wide-scheme-visa-free-travel-authori

the EU is already introducing a similar system to the ESTA regardless: http://www.schengenvisainfo.com/brussels-prepares-eu-wide-scheme-visa-free-travel-authorisation/ http://www.schengenvisainfo.com/brussels-prepares-eu-wide-sc... (doesn't apply to Ireland or the UK) they're proposing requiring full visas for US citizens if the US doesn't comply, the sort where you have to book an appointment with the consulate for an interview and pay several hundred dollars.