This is at tit-for-tat. The USA requires EU citizens from some countries to have a visa, and the EU doesn’t allow the USA to make some of its citizens second rank.
Follow ups could be that the USA starts to request all EU citizens to have a visa, or that both parties return to a ‘nobody needs one’ status.
https://edition.cnn.com/travel/article/us-citizens-need-visa... works.
This is at tit-for-tat. The USA requires EU citizens from some countries to have a visa, and the EU doesn’t allow the USA to make some of its citizens second rank.
Follow ups could be that the USA starts to request all EU citizens to have a visa, or that both parties return to a ‘nobody needs one’ status.