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On your mark. Yes, sir.

We're back in the nation's

favorite tent. Let's do this.

And it's packed with a fresh batch of famous faces.

As long as it's edible, I'd be happy.

Don't chalk, trying my teeth.

How can it be?

The great celebrity baker for Stand Up to Cancer on Channel 4.

Stream now.

Next on lectures in history, Daniel Richter of the University of Pennsylvania teaches a class on 18th century power struggles among Native Americans, colonial settlers, and European empires.

The class was part of a seminar for high school teachers, hosted by the Gilder-Lerman Institute of American History in partnership with the library company of Philadelphia.

Well, hello, I'm here in Philadelphia at the McNeil Center for Early American Studies at the University of Pennsylvania.

We've been spending the week with an amazing group of educators from all over the country,

brought together under the auspices of the Gilder-Lerman Institute of Early American History

and its program of summer teacher seminars.

It's generously supported by the Library Company of Philadelphia and the Pew Center for Arts and Heritage

through their program called Redrawing History, Indigenous Perspectives on Colonial America.

We spent the week tossing around some ideas about how we might redraw early American history.

...