Elements for making sure they know where the russians are so they can focus their forces in real where the russians are so they can focus theirforces in real time on those targets so it s a battle of where and intelligence and networks. what we are having is an increasing network and competition of networks of which tanks are an important part but i think ukraine needs tanks in its arsenal and sodas russia but we should not be thinking of warfare tanks against tanks. it is the oldest and most prestigious exhibition in the art world the venice art biennale opens tomorrow. this year? its happening against the backdrop of the war in ukraine. the ukrainian art works on display are taking on a special significance our culture editor, katie razzall met ukrainian and russian artists in venice. serene venice has been