PREVIEW

Lane Riggs, CEO of Valero (L), Harold Hamm, co-founder and chairman of Continental Resources (C) and Richard Holtum, CEO of Trafigura Pte (R) during a meeting between US President Donald Trump and oil and gas executives in the East Room of the White House. The meeting included executives from Exxon, Shell, Chevron and Conoco. Trump is hoping to persuade oil executives to return to Venezuela.