Survival, the IISSs bimonthly journal, challenges conventional wisdom and brings fresh, often controversial, perspectives on strategic issues of the moment.In this issue:Riccardo Alcaro and Nathalie Tocci discuss Giorgia Melonis malleable political viewsNigel Gould-Davies examines the recent prisoner swap between Russia and the West and its implications for future dealings with RussiaHéloïse Fayet, Andrew Futter and Ulrich Kühn analyse French, British and German approaches to developing an effective European nuclear deterrentThomas Juneau outlines the options available to Israel, Saudia Arabia and the United States in responding to the persistent Houthi threatAnd nine more thought-provoking pieces, as well as our regular Book Reviews and Noteworthy column.To read free articles from the journal, please visit its homepage at https://www.tandfonline.com/journals/tsur20.Editor: Dr Dana AllinManaging Editor: Jonathan StevensonAssociate Editor: Carolyn WestEditorial Assistant: Conor Hodges