Zisco collapsed under the weight of mismanagement, debt and undercapitalisation. CHINESE billionaire Zhang Li, Ziscosteel’s latest suitor, might possess the rare trifecta needed to succeed where many before him have failed. A verifiable builder, miner and politician, Zhang will need to deploy all these skills, often simultaneously, if he is to avoid joining the scrapheap of investors who touched Zisco and turned into pillars of rust. Building skills, because, in the words of none other than President Robert Mugabe at a ceremony to mark the doomed Zisco-Essar deal in 2011, the steelworks is shattered and needs a complete overhaul. Mining skills, because Zisco’s iron ore and limestone mines are integral to its revival plans. As are…