By Ben Aris in Berlin The European Commission intends to extend Ukraine’s access to EU markets at the summit this week but will introduce restrictions on some key agricultural products to protect members state’s domestic markets, UBN reported on January 31. After the start of the war, EU threw open its markets to duty free Ukrainian imports as an indirect way of funding the war-torn state. However, things went awry last April when a flood of cheap Ukrainian grain and cornwrecked the Polish grain market, leading Warsaw to impose a unilateral ban on imports, along with several neighbouring count…