One of Carly Fiorina's harshest critics, Jeffrey Sonnenfeld of the Yale School of Management, joins Chris Hayes to debunk the GOP presidential candidate's misleading statistics about her time as CEO of Hewlett-Packard. watch
Under pressure from the EPA, Volkswagen has admitted that their clean diesel cars have been systematically, proactively engineered to deceive emissions testing, involving 11 million vehicles worldwide. watch
Each night, Chris Hayes partakes in lively conversations and debates with his guests. Hayes covers not only the biggest news stories of the day, but also the issues that are personally important to him including social justice and the environment.