Last week, Reuters first reported Russia was preparing an oil-for-goods deal with Iran worth up to $20 billion. An unnamed Iranian official told the news service that the barter would include Russian weapons. And that was before further signs of Russia’s shadow invasion of Ukraine emerged Monday, when crowds spontaneously appeared in three major eastern cities to welcome the troops amassed over the border. The Daily Beast reported that associates of Viktor Yanukovych, the deposed and Kremlin-friendly Ukrainian president, were meeting with pro-Russian activists. One keen-eyed photographer captured a man wearing a Russian Airborne forces tee-shirt at one of the...