The Times reports on whether Obama has made good on his nuclear promise one year on from the pivotal Prague speech. Good news for his upcoming nuclear summit; Chinese President Hu Jintao plans to attend. A lack of consensus still looms worryingly over the Iran question, Businessweek suggests. Meanwhile Iran’s top nuclear negotiator is in China for relationship-building talks. Factbox on their bilateral ties here. Could the unstable Iran situation force oil prices up to $90 a barrel this year? Gazprom plans to merge its two generating companies, OGK-2 with OGK-6, to consolidate its energy assets. Bloomberg has a video interview with political analyst Masha Lipman, on the Nord Stream pipeline. Gas production on the Yamal Peninsula has reportedly increased by 20%. Vietnam will apparently consider using Japanese technology for two nuclear power plants. Petrobas may have a chance to take over the whole of the Sumitomo refinery in Japan. Get the lowdown on TNK-BP’s plans for 2010 here.