RAPAPORT... Trans Atlantic Gem Sales (TAGS) has appointed Paul Duncombe as chief operating officer for Dubai, in a bid to garner more business.Dumcombe was most recently head of operations for Grib Diamonds in Belgium, TAGS said last week. He has also worked in executive roles for De Beers, Rio Tinto and BHP Billiton. TAGS is relying on his broad knowledge and understand of the mining industry, as...