Anglo-Teck merger, nickel sale are test cases for navigating geopolitical complexities, CEO says

* Anglo-Teck merger awaits China nod* Anglo in 'new waters' with regulators, CEO says* Company hopes to close De Beers sale by year-endBy Olivia Kumwenda-Mtambo and Nelson BanyaJOHANNESBURG, Oct 7 (Reuters) - Anglo American's proposed $54 billion merger with Canada's Teck Resources and the sale of its Brazilian nickel business have become test cases for navigating geopolitical complexities as they await antitrust approval, CEO Duncan Wanblad said on Wednesday.The Anglo-Teck merger, announced in 2025, has received approval from all countries…