HOW OTHERS SEE IT The anti-immigration AfD party is set for its best-ever national election Sunday, largely due to its popularity in the former East Germany. There, voters say they were left behind during reunification – and resent efforts to integrate immigrants while they still feel like second-class citizens. GROSSDUBRAU, GERMANY—“Traitor!” “Merkel, out!” The anger, boos, and whistles greeting Angela Merkel in Germany’s east earlier this month are not the sort of reception many outside observers expect the country’s popular chancellor to receive. But not so for people like Regina Bernstein, who lives near this small village of 4,200...
