Polish Prime Minister Donald Tusk arrived in the Ukrainian capital on Monday for talks with Ukrainian leader Volodymyr Zelenskyy. The pair will discuss how Poland can continue to support Ukraine’s nearly two-year war with Russia and resolve a dispute between the neighbours over grain shipments and trucking. Tusk, who returned to power in Poland last month, is keen to show that a change of government doesn’t mean a change of policy on Ukraine. He was also due to meet Ukrainian Prime Minister Denys Shmyhal. “There are some conflicts of interest, we know them well and we will talk about them, but…