The Christian Democratic Union in Berlin's Reinickendorf district is considering ending its long-standing refusal to vote for motions put forward by the far-right Alternative for Germany, following a sharp drop in support at the recent Berlin election, party members said.For roughly three decades, the CDU has held the mayor's office in Reinickendorf, a district in northern Berlin, almost without interruption. That dominance had made the local party among the most self-assured branches of the CDU...