Frederick Douglass: What to the Slave is the Fourth of July? Classics of Liberty E01 - Jul 4th, 2015 In this episode of Classics of Liberty, Caleb O. Brown reads the iconic speech “What to the slave is the Fourth of July?” by Frederick Douglass. Download Episode Subscribe: Apple Podcasts Google Podcasts Spotify RSS Caleb O. Brown reads the iconic speech “What to the slave is the Fourth of July?” by Frederick Douglass.