Politics'We took too much risk': Lund in parliamentary grilling over Equinor's massive US asset lossesFormer head of Norwegian state-controlled giant and others taken to task over risky North America shale and oil sands portfolioGrilling: Helge Lund, who was chief executive at Equinor when it was known as StatoilPhoto: NTB/SCANPIXOle Ketil HelgesenStavanger