by Vessela SERGUEVA with Julia ZAPPEI in Vienna Agence France Presse SOFIA, Bulgaria (AFP) — Eastern European countries are embracing the millions of Ukrainians fleeing Russia’s invasion as a potential workforce but analysts warn it be challenging to integrate them all. Some 2.5 million people have already fled Ukraine, according to the United Nations, which calls it Europe’s fastest-growing refugee crisis since World War II. More than half are now in Poland but tens […]