(Bloomberg) -- Trafigura Group has fired the starting gun on an era of upheaval at the top of the commodity trading world, with some of the biggest players preparing a new generation of leaders at a moment of heightened scrutiny for the industry.Most Read from BloombergSaudis Scale Back Ambition for $1.5 Trillion Desert Project NeomTurkey Joins NATO Allies in Suspending Europe Arms TreatyMark Zuckerberg’s Wealth Exceeds Elon Musk’s for the First Time Since 2020Iran Tells US to Step Aside as It R