>> glenn: i have said many times and i truly believe it. america is the greateths nation in the history of all human kind. but the more i do research on america, the more i find the dark, dark moments of our history. and the more i believe we are the greatest nation ever to walk the face of the planet. how do you work that out? we endured periods of slavery and oppression. we have images like this of a slave after a brutal whipping. and then even 70 years after the abolition of slavery, the "new york times" reports an unimaginable crime in 1935. the lynches of a black man in florida. according to the times, the suspect was hanged at the roadside, with a roadside tree in sight of the home of mrs. marian jones, the 30-year-old mother of three children who identified him as her assailant. six deputies were escorting