(Bloomberg) — Big Oil kicks off earnings season this week, just as US President Donald Trump talks up America’s fossil fuel potential. West Africa’s cocoa woes raise risks of another supply deficit. And the world’s top cobalt miner plans to keep churning out the battery metal despite a price rout.Most Read from BloombergWhat Happened to Hanging Out on the Street?Vienna Embraces Heat Pumps to Ditch Russian GasBillionaire Developer Caruso Slams LA Leadership Over WildfiresHow Sanctuary Cities Are