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No one understands better the connections between the founding era and today than Jeff Rosen of National Constitution Center. We joined Jeff, Melody Barnes of UVA Karsh Institute of Democracy and Yuval Levin of American Enterprise Institute for a conversation building on ideas we explore in The American Revolution. You can watch "A More Perfect Union” on PBSBS, Nov. 24 at 9/8c. Here’s a clip. | Ken Burns

The six-part epic event begins tonight. Don't miss The American Revolution, a film by Ken Burns, Sarah Botstein and David Schmidt. | PBS

"The American Revolution," the latest work from filmmaker Ken Burns, continues airing this week on PBS. The six-part, 12-hour history of the war of independence from Britain, and the beginnings of the American experiment in democracy, comes at a moment of deep divisions. Jeffrey Brown has our look for our Art in Action series, which explores the intersection of art and democracy as part of our CANVAS coverage. | PBS NewsHour

Documentary filmmaker Ken Burns reveals how his own history has been shaped by the loss of his mother Lyla when Ken was 11 years old. Go to CNN.com/allthereis to join the All There Is community, where you can share your story and watch the full conversation. | CNN

On Earth, flames rise because hot gases are lighter than the surrounding air. In space, however, there’s no buoyancy. That’s why fire takes on a beautiful, pulsating jellyfish-like shape. The Flame Extinguishment - 2 (FLEX-2) experiment aboard the International Space Station investigates how small droplets of fuel burn in microgravity. By studying these perfectly spherical flames, researchers can understand how fuel evaporates, burns, and produces soot without the interference of gravity. This a