French-Jewish thinker Bernard-Henri Levy has long warned of Russian expansionism. Arriving in Odessa as it faces the threat of a catastrophic Russian assault from Putin’s war machine, he tells the JC in an exclusive interview why he travelled to a war zone – and calls for the West to take a  stand: Why did you decide to go to Odessa?   Why Odessa? Because I knew the city in times of peace. I have some friends there. I performed my monologue about Europe on the stage of the opera house. And it broke my heart to know that such a war was going on there. I wanted to show solidarity. And I wanted to bear witness. This conflict is so…