Polish Prime Minister Donald Tusk said that economic disputes between Poland and Ukraine may cause a “sudden emergence of anti-Ukrainian sentiments,” the Polish Press Agency (PAP) reported on Feb. 11. Tusk made the statement as Polish farmers launched a new wave of protests against imports from Ukraine, blocking several border crossings. In one incident on Feb. 11, the protesters spilled Ukrainian grain from standing trucks on the road, causing indignation in Ukraine. “I do not think there is any significant conflict of opinion or interests between the (Polish) government and the protesting fa…