There is a well-timed musical change just after 3:13:44 when Mary Landrieu is describing her surprise at learning about the severe racial disparities in US households’ net worth:

edit: fwiw the numbers she cites are substantially lower (though the disparities are similar) than what Pew Research reported for that timeframe.

This is also available as a book: https://en.wikipedia.org/wiki/The_Speech_(Sanders_book)

The best part of this is he literally could’ve talked about any subject, or just read the dictionary. But Bernie never goes off topic, the man WILL lecture you for 8.5 hours, and that’s just his warmup. Absolute legend.