(Bloomberg) -- Two years ago, when Glencore Plc proposed an unsolicited, 23billiontakeoverofTeckResourcesLtd.,theCanadianminer’sfounderdecisivelyrejectedtheidea.“Nowisnotthetime,”NormanKeevilJr.saidbackthen.Fastforwardto2025,andthe87−year−oldKeevilisoneofthechiefproponentsofamammothdealtocombineTeckwithLondon−basedAngloAmericanPlc.Themergerwouldcreatearoughly60 billion company and one of the world’s top copper producers. But both companies descri ...