Masha Hamilton’s fifth novel, What Changes Everything, is truly an American story, an exploration of our twisted, misguided, generous relationship with an enigmatic country. And it is told by a novelist of extraordinary talent who currently works in Afghanistan.What Changes Everything is the story of Clarissa who, in a gamble to save her kidnapped husband’s life, makes the best decisions she can in the dark nights of Brooklyn, boldly rejecting the advice of US authorities and against the wishes of her husband’s grown daughter. It is also the story of Stela, who owns a used bookstore in Ohio and writes letter after letter in hopes both of comprehending the loss of a son on an Afghan battlefield and of connecting with son who abandoned her in anger when his brother died. It is the story of Mandy, the mother of a gravely wounded soldier from Texas, a mother deeply saddened but somehow hopeful who travels to Kabul to heal wounds of several kinds. It is the story of Danil, an angry Brooklyn street artist whose life was derailed by a loss in this incomprehensible war half a world away. And it’s the story of Todd, a career aid