It only took one vote in one state parliament for Germany's populist far right to break a decades-long political taboo, topple Chancellor Angela Merkel's chosen successor and trigger a political crisis whose implications reach even beyond the countryThe action by the Alternative for Germany, or AfD, in the eastern German state of Thuringia earlier this monthwhere the party voted with two centrist parties, the Christian Democrats and the Free Democrats, to help oust the state's left-wing prime ministershattered traditional parties'
