NATO has already confirmed Jens Stoltenberg is staying on as secretary general for another year. That has solved the issue of succession for now. But as the Alliance meets for its 2023 summit, what other challenges does it face? And more specifically, what can be done about Ukraine? Guests: Jamie Shea Former Deputy Assistant Secretary General of NATO Martin Smith Senior Lecturer in Defence and International Affairs at the Royal Military Academy Sandhurst Elisabeth Braw Senior Fellow at the American Enterprise Institute