Swedes were voting in a closely fought election on Sunday that will either bring a far-right party into government for the first time or shift the country back towards the liberalism that has long defined the northern European kingdom.Sweden’s centre-left opposition holds a narrow lead over the ruling right-wing bloc ahead of the September 13 election for parliament, several opinion polls have shown this week.But Prime Minister Ulf Kristersson, who has trailed in opinion polls throughout his...