In “Tightrope,” authors Kristof and WuDunn issue a plea – deeply personal and told through the lives of real Americans – to address the crisis in working-class America, while focusing on solutions to mend a half century of governmental failure. The authors tell this story, in part, through the lives of some of the children with whom Kristof grew up, in rural Yamhill, Oregon, an area that prospered for much of the twentieth century but has been devastated in the last few decades as blue-collar