OpinionGood to be back: ONS shows the value of industry events in a changing worldNorway is at the heart of Europe’s energy debate, and the Stavanger event provided a lively forumKyiv calling: Ukraine President Volodymyr Zelensky uses a video link to address the ONS audience in Stavanger, Norway.Photo: NTB/CARINA JOHANSEN/SCANPIXEditorial