By Tatyana Kekic in Belgrade Serbia has sent a high-profile delegation to the BRICS summit in Kazan, Russia, as part of its efforts to strengthen ties with the group. Leading the delegation is Serbia’s Deputy Prime Minister Aleksandar Vulin, a well-known proponent of Serbian-Russian relations. Vulin has consistently advocated for stronger ties with BRICS, even arguing that it represents a credible alternative to the EU. After more than two decades of working towards EU membership, Vulin has expressed doubt about Serbia’s prospects within the union, even if it were to renounce its claim over Ko…