After a lifetime in opposition, Germany's hard-left standard-bearer Sahra Wagenknecht has shaken up the political scene with a blend of pro-poor, Moscow-friendly and anti-immigration policies. A year ago, she broke with her long-time comrades-in-arms at Die Linke, the successor to East Germany's socialist SED ruling party, to form a party named after herself, the Alliance Sahra Wagenknecht (BSW).