Politicians in the German states of Thuringia and Saxony began wrangling over potential coalitions on Monday after state elections saw big gains for the far-right Alternative for Germany (AfD), further complicating the already fractured state parliaments. It appears likely that the centre-right Christian Democrats (CDU), who eked out a narrow victory on Sunday in Saxony and finished second to the AfD in Thuringia, will end up leading coalitions in both states. But the CDU will have to find common ground with some potentially uncomfortable partners on the left to build a majority. AfD leaders t…