Berlin CNN  —  Germans are going to the polls on Sunday in national elections. Opinion polls suggest the outcome will likely be a new chancellor and a new governing coalition. Usually a little dry and often predictable, this election campaign by comparison has been eventful. Last November, Chancellor Olaf Scholz of the Social Democratic Party (SPD) unceremoniously fired his finance minister. Scholz then lost a vote of confidence, triggering early parliamentary elections. Shortly afterwards,