Yes, we have needed an ESTA for a long time now. https://en.m.wikipedia.org/wiki/Electronic_System_for_Travel_Authorization https://en.m.wikipedia.org/wiki/Ele

Yes, we have needed an ESTA for a long time now. https://en.m.wikipedia.org/wiki/Electronic_System_for_Travel_Authorization https://en.m.wikipedia.org/wiki/Electronic_System_for_Travel... $20, but you have to apply regularly. They do "something" and you may or may not be approved, and everyone including children need their own one.