Following weeks of protests by Polish farmers against cheap agricultural products from Ukraine, the government in Warsaw is no longer ruling out temporarily closing its border to goods from its neighbour. Prime Minister Donald Tusk said on Wednesday in Warsaw that his government was holding talks with the Ukrainian side. But closing the border could only be a temporary measure, he said. “I am ready to make tough decisions when it comes to the border with Ukraine, always in agreement with Kiev, so that there are no unnecessary tensions. But we have to find a long-term solution,” Tusk added. Far…