And you thought Sidney Blumenthal was shady. Few people have heard of Cody Shearer, the unsanctioned diplomat, private eye, and Clinton flunky whose name surfaced in connection with the so-called intelligence reports Sidney Blumenthal was channeling to Hillary Clinton during her time at the State Department. But this shadowy fixture of the Clinton machine was everywhere in the 1990s — including war-torn Bosnia, where he became the subject of a State Department investigation after he represented himself as an agent of the U.S. government and took cash from a genocidal warlord. Now evidence suggests Shearer, working with his partner Blumenthal,...