Filmmaker Ken Burns Is 'Entirely Optimistic' About America's Future

The video discusses the 'us vs. them' mentality from the 1960s to today, highlighting the importance of unity, especially during crises like natural disasters. It emphasizes the role of politicians in fostering unity and the strength derived from cultural diversity. The video critiques the media and political culture for promoting division but remains optimistic about the future, urging people to act on their better instincts.

In what ways does the speaker express optimism about the future of American identity?

What does the speaker mean by 'hearing the better angels of our nature'?