Dutch voters go to the polls on Wednesday, and one candidate for Prime Minister is Geert Wilders, a populist with controversial views on Islam and immigration. His encouragement of anti-Muslim sentiment in the Netherlands brought an angry response this weekend from Recep Tayyip Erdoğan, Prime Minister of Turkey, who called the Dutch fascists. Peter Thal Larsen, global economics editor with Reuters Breakingviews, reports on how anti-immigrant sentiment whipped up by Wilders might well impact the Dutch election.