Jefferson Morley is an investigative reporter in Washington who blogs at JFKFacts.org and tweets @jeffersonmorley. He is author of Scorpions’ Dance: The President, the Spymaster and Watergate (St. Martin’s Press).

Heavy Metal

As Iran and the West resume nuclear talks, the Chinese engineer who helped Tehran develop its ballistic missiles is one of America’s most wanted, with a $5 million reward on his head.