As Ukraine and others queue to join, is EU ready for enlargement?

Only since Russian invasion have European leaders started to do necessary calculations, expert says

She has extended the invitation multiple times but has yet to set a date for the welcome party. You are part of our family, your future is in our union, and our union is not complete without you," Ursula von der Leyen, the European Commission president, last year told Ukraine and the nine other countries queuing patiently for EU membership.

But as the prospect of Ukraine in particular joining the bloc looms closer, EU leaders are asking if the EU is ready for enlargement.