Oil and commodities trading powerhouse Trafigura Group and three other defendants went on trial on Monday in Switzerland’s top criminal court over allegations of bribery. According to Reuters, Trafigura has been charged for failing to take all reasonable measures to prevent payment of more than $5 million in bribes to an Angolan oil official in exchange for oil and shipping contracts more than a decade ago. Trafigura said that its former parent company, Trafigura Beheer BV (TBBV), will defend itself, “TBBV’s anti-bribery and anti-corruption controls…