What's it going to take to lift US UK travel ban?

 From The Daily Mail, “ A 9/11 Homeland Security expert is leading calls for President Biden to lift the 'outdated' ban on travel from the UK and Europe which is 'stuck in time', decimating the economy and no longer makes sense when most of the world's tourists can freely come to America.” https://www.dailymail.co.uk/news/article-9648433/Homeland-Security-expert-says-Bidens-ban-UK-Europe-travel-no-longer-makes-sense.html