President Vladimir Putin appears to have secured a diplomatic win he has sought for years, with a massive pipeline deal that would tie Russia and China together for decades and could redefine the global gas trade. The head of Russia’s Gazprom PJSC, speaking to Russian media in Beijing, said the gas giant has signed a legally binding agreement to build the long-anticipated Power of Siberia 2 pipeline to China via Mongolia. While Beijing has yet to confirm the details, securing any advance in the