War in Ukraine: listeners' questions to our experts

Put your questions to Micheline Calmy-Rey, former Federal Councillor for Foreign Affairs (2003-2011), Miren Bengoa, Director of Swiss Solidarity, Alexandre Vautravers, military expert and Editor-in-Chief of the Swiss Military Review, and Jean-François Fayet, Professor of Contemporary History at the University of Fribourg and specialist in the Russian world.