By Nerijus Adomaitis and Patrick Lannin RIGA (Reuters) - Latvians voted in a snap election on Saturday called to break the power of oligarch businessmen, with center-right Prime Minister Valdis Dombrovskis facing a challenge from a party usually backed by the large Russian-speaking minority. Opinion polls suggest the most votes will go to Harmony Center, which has portrayed itself as the only center-left party that would boost social spending after tough austerity measures and delay Latvia's entry to the debt-plagued euro zone. Read More...