It has not happened yet, but expectations are already enormous. A massive strategic and economic shift is expected to result from Russian President Vladimir Putin’s visit to China in May. After decades of fruitless talks, Moscow and Beijing are now likely ready to sign a sweeping deal that will see China invest billions of dollars in Russia, with vast resources being sold in the other direction. This correspondent first saw the agreement signed 20 years ago, when Boris Yeltsin and Jiang Zemin were the presidents, and not much occurred since. This time things seem to be real, however.