Japan's relaxation of its weapons-exports rules opens a path for talks that could one day lead to Tokyo supplying military equipment to help Ukraine resist Russia's invasion, Kyiv's ambassador ?to Japan told Reuters. "This allows us to talk," Yurii Lutovinov said in an interview at Ukraine's embassy. "Theoretically, it's a very big step forward." Prime Minister Sanae Takaichi's move last week to ease export rules - Japan's latest shift away from a strict postwar pacifist stance - has sparked broad interest as conflicts ?in Ukraine and the Middle East strain Western arms production. While the overhaul maintains controls on ?exports...