Although not everyone is happy with Glencore's cost cutting. Zambia's President Edgar Lungu threatened to 'divorce' Glencore last week after plans to reduce operations in the country surfaced. Of course, this could all be political gamesmanship. Glencore is the second biggest copper miner in the country. It is also something of a cash cow for the country following Zambia's decision to introduce a new tax system on miners, announced in this year's budget.