The resignation of Romania's president underscores the country's deepening political crisis, which is raising the risk of a far-right president taking office that would disrupt foreign policy and, less likely, a far-right prime minister that would worsen relations with the European Union and increase the risk of an economic crisis. On Feb. 10, Romanian President Klaus Iohannis announced he was stepping down amid a push from far-right lawmakers to impeach him over his role in annulling the results of the first round of the presidential election in November, in which a far-right candidate unexpectedly won the most votes. Hours later, on Feb. 11, the leader of the right-wing Alliance for the Union of Romanians (AUR), George Simion, announced his party will also file a no-confidence motion against the government of Romanian Prime Minister Marcel Ciolacu next week. Iohannis' resignation became effective on Feb. 12, when he was replaced by the...