"Mr. Vonnegut dreams up diabolically elegant business crimes, then sends smart-talking characters to follow the money. He draws upon his own Wall Street experience (with Morgan Stanley, among other employers) to provide the sound of insider acumen.... There's enough novelty to this plot to set "The Trust" apart from garden-variety business thrillers, the ones in which Bernard Madoff stand-ins run Ponzi schemes. Anyway, Mr. Vonnegut is just getting...