Vladimir Putin is set to launch a ‘purge’ of his top generals following the Ukrainian incursion into Kursk. The Russian president is set to wield the axe against Kremlin army chiefs after their failures in Kursk, which led to the loss of 400 square miles of home soil. Former Ukrainian adviser Anton Gerashchenko has claimed that sources within Russia indicated that “criminal cases are being prepared” for top military brass. There are reports thatPutin is particularly angry at Chief of the General Staff Valery Gerasimov, who was suspiciously missing from Moscow’s crunch Security Council meeting …