“I confess,” writes Stan Greenberg in the introduction to Dispatches from the War Room, “I’m a member of ‘the pollster industrial complex.’” Greenberg’s fascinating new book recounts his experiences working as a consultant to five leaders – Bill Clinton, Nelson Mandela, Britain’s Tony Blair, Israel’s Ehud Barak, and Bolivia’s Gonzalo Sanchez de Losada – all of whom knew or discovered that engaging with popular opinion was necessary to govern effectively in a democracy.