By Mark Kleinman Mark Kleinman is Sky News’ City Editor and writes a weekly column for City A.M., this week on the bid for Anglo American, Getir’s struggles and Nationwide’s Virgin Money takeover Anglo can’t bank on a full-blown auctionIt’s the opportunity Mike Henry has been waiting for. Four years after assuming control of BHP, his moment to strike arrived. Anglo American, beset by a lacklustre share price and falling valuation by comparison with its global peers, has become a sitting duck for the behemoths of the mining industry. The opening shot in what could be the sector’s most hotly con…