and yale university professor joann friedman recalls the violence that took place on the floor of congress and the lead up to the civil war >> good evening ladies and gentlemen and welcome to barnes and noble, upper west side. louis hyman is a professor of economic history at the industrial labor relations of cornell university. as well as the director of - - institute for workplace studies. a former scholar and mckinsey consultant, he received his phd in american history from harvard. his writing has appeared in the new york times, the atlantic, slate, bloomberg, pacific standard and elsewhere. sarah kessler is the author of - - the end of the job and the future of work and she's the deputy editor of course at work. her reporting has been cited by the "washington post", newark magazine and npr. mr. louis hyman new book, - - how the american dream became temporary. every working person in the united states asks the same question. how secure is my job? for a generation, roughly from 1945-1970, business and government leaders embraced the american workforce rooted in stability. over the last