Ukrainian President Volodymyr Zelenskyy and US Secretary of State Marco Rubio hint at difficulties in next week’s talks. A deadly exchange of drone strikes has killed one person in Ukraine and one in Russia and cast doubts on the prospects of a ceasefire before another round of negotiations to end the war next week. News of the deaths comes as Ukrainian President Volodymyr Zelenskyy and US Secretary of State Marco Rubio signalled hurdles to reaching an agreement in Geneva as the conflict is about to enter its fifth year. Zelenskyy told world leaders at the Munich Security Conference on Saturday while he hopes “substantive” progress will be reached during the trilateral meeting next week, it often feels like the two sides “are talking about different things” in negotiations. “The Americ...