By Denitsa Koseva in Sofia Bulgaria will hold its sixth snap general election in a row, as on March 27 the second-largest formation in parliament – Change Continues-Democratic Bulgaria (CC-DB) – immediately returned the second mandate to form a government, and no other party except the far-right pro-Russian Vazrazhdane is ready to try to form a ruling coalition. A day earlier, CC-DB made one last attempt to bring the Gerb party back to an agreement the two formations made nine months ago for a joint rotational government, but Gerb leader Boyko Borissov refused. On March 27, outgoing Prime Mini…