11
Mar
by Lauren M. Johnson and Madeline Holcombe, CNN
US citizens visiting parts of Europe will need authorization from the European Union come 2021.
The EU announced last year it was creating a European Travel Information and Authorization System, or ETIAS, that will require "pre-travel screening for security and migration risks of travellers benefiting from visa-free access to the Schengen area."
The Schengen Area is a zone of 26...