Germans turned out in force to vote in three state elections on Sunday, with the anti-immigration Alternative for Germany (AfD) party looking to profit from popular angst about Chancellor Angela Merkel's welcome of more than a million migrants. The election is the biggest test year of the German public response to the influx, totaling more than a million last year alone and showing no sign of halting, of refugees and other migrants from the Middle East, Central Asia and Africa. Merkel, who says Germany is a rich enough country to host desperate people and has a moral obligation to shelter...