HOW CHINA HELPED IRAN GO NUCLEAR
Somewhere on the grimy streets of an industrial city in northeastern China walks one of the world’s most dangerous men. Stocky and fleshy-faced, with a mole on his upper lip, Li Fangwei keeps a low profile and operates under a half-dozen aliases. In another time and place, he might have strutted about his criminal empire like a colorful cocaine kingpin, machine-gunning rivals and showering the locals with soccer stadiums. But Li’s brand of business requires more discretion: He sells advanced missile and nuclear technology and materials. To Iran. Indicted in New York last year for Iran sanctions-busting and money laundering, Li—known in the West as Karl Lee—operates out of Dalian, the Yellow Sea shipping center formerly known as Port Arthur. Once talkative, he no longer answers his phone. Employees at a…