But there are no places in Hagel for metaphor. His face is too meaty for poetics, its tectonics shaped by old football injuries and one horrible day in the Mekong Delta when the flesh of it bubbled and burned. His sentences are too often arrhythmic, breaking in the middle, when what he's saying takes an unexpected turn that seems to startle him most of all. "The president says, 'I don't care.' He's not accountable anymore," Hagel says, measuring his words by the syllable and his syllables almost by the letter. "He's not accountable anymore, which isn't totally true. You can...