 Complete the following phrase:  On November 25, 2015 US Vice President Joe Biden visited Croatia as a special guest of the Brdo-Brijuni Process Leaders Summit that brings together heads of state from the countries of former Yugoslavia and Albania as well as special guests. The summit was co-chaired by Croatian President Kolinda Grabar-Kitarović and Slovenian President Borut Pahor. Discussed topics on the plenary session were integration of south-east Europe into Euro-Atlantic processes, migrant crisis, security challenges and the fight against terrorism, conflicts in the Middle East and Ukraine, as well as energy. Vice President Biden stated: For the United States and for me personally, but I am speaking on behalf of the President Obama, this region has been of extreme interest for the last 25 years. In addition, Biden praised Brdo-Brijuni initiative as a good job as it has managed to bring together heads of state for talks for the past five years. Vice President Biden also met with the Croatian Prime Minister Zoran Milanović and Foreign Minister Vesna Pusić with whom he talked about situation in the Middle East, especially about the war in Syria, migrant crisis and the security situation in the world after 