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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.

Do you talk, trying my tea.

How can it be?

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

Stream now.

Next on lectures in history.

When Mexico gained its independence from Spain in 1821, the new country's northernmost holding was the sparsely populated territory of California.

Rick Kennedy of Pointe Loma Nazarene University teaches a class about Mexico's governance and plans for

California in the decades leading up to the 1848 Mexican-American War in which Mexico lost California

to the United States.

Okay, scholars, huh? Scholars? This is what we're going to do today is a class called High

Hopes of Mexican California. And this is an important thing. First of all, for those

of us who live in California, especially those on coastal California, we are, this is our heritage.

You know, this is who we are is in part Mexican. And a lot of our class today is about how the

...