As 50,000 people attend the Democratic National Convention in Chicago, we look at the history of politics, protest and play in American stadiums. "We fight our political battles in stadiums," Columbia historian Frank Andre Guridy says. "They become ideal places to stake your claims on what you want the United States to be." His new book is The Stadium.Also, as part of his series celebrating albums turning 50 this year, Ken Tucker revisits Neil Young's On the Beach.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy