It's a comeback that cost $1.4bn. That is the price mining magnate Anil Agarwal paid the Zambia state to take back control of Konkola Copper Mines (KCM), formerly listed on the London Stock Exchange. Four years after he was ousted from the copper mine by the Zambian authorities and after protracted negotiations, the British-Indian billionaire is once again owner of 79.4% of the company. The state-owned Zambia Consolidated Copper Mines-Investment Holdings (ZCCM-IH) holds the remaining 20.6%. Agarwal