How can the Eastern Partnership's achievements be summed up? Association agreements signed with three of the six partner countries, schemes ranging from visa facilitation to elimination of visa requirements with five of the six partners and relatively poorly funded multilateral cooperation. Does that equate to success or failure? The question that will be hanging this week over the National Library in Riga, seat of the Latvian EU Council Presidency, begs another. What do the Union and its partners expect of…