The world in all its states - War in Ukraine: the risk of co-belligerence and an extension of the conflict. As Vladimir Putin prepares to further extend his twenty-five years of reign, the Russian threat has never seemed so present.

For France, history has suddenly accelerated in recent times. Our guest is Galia Ackerman, historian, editor-in-chief of Desk Russia and co-author of "The Black Book of Vladimir Poutine" (published by Perrin/Robert Laffont)