Poland’s government aims to provide better protection for the crossings on its frontier with Ukraine against the backdrop of ongoing protests by angry Polish farmers. “We will add the border crossings with Ukraine and certain road and railway sections to the list of critical infrastructure,” Prime Minister Donald Tusk announced in Warsaw on Thursday. Tusk said the designation will help safeguard the crossings and better allow for the flow of goods and people across the border without delays and obstructions. The protests by Polish farmers are directed against EU agricultural policy, but also a…