Tusk, Plenkovic stress support for EU enlargement in the Balkans Croatian Prime Minister Andrej Plenkovic welcomes outgoing European Council president Donald Tusk to Zagreb ahead of the EPP congress in which he is set to be elected as the party's new leader. Both spoke about the need to open EU membership talks with Western Balkan countries North Macedonia and Albania, whose bids were put on hold in October in a blow to the region. IMAGES AND SOUNDBITES