The Dutch headed to the polls on Wednesday for a snap election seen as a litmus test for the strength of the far-right, which has made powerful gains across Europe. Polls suggest anti-immigration and anti-Islam firebrand Geert Wilders is narrowly on course to repeat his stunning election success from two years ago with his far-right Freedom Party (PVV). But with half the electorate still undecided, the result is too close to call, and a pack of three other parties has been closing the gap in...