Around two and a half months before the state elections in the eastern German state of Thuringia, polls are showing that two insurgent parties outside the mainstream could be close to winning a majority. In a poll published on Tuesday by the opinion research institute Infratest dimap, the far-right Alternative for Germany (AfD) is in first place with 28%. The new Sahra Wagenknecht Alliance (BSW), which combines left-wing economic policy with an anti-migration stance, is polling at 21%. Together the two parties would win almost half the votes. The conservative Christian Democrats were at 23%, C…