Good morning.

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On Tuesday night, 12 Democratic presidential candidates took the stage in Ohio for the biggest primary debate in history. My boss — Marc Lacey, The Times’s National editor — helped moderate, and my colleagues covered every minute of the three-hour show extensively. (They also made a quiz on the 2020 campaign so far, if you’re into that.)

Here are the biggest takeaways for those of us watching from the Golden State:

There were two Californians onstage, Senator Kamala Harris and the billionaire Tom Steyer, who lives in San Francisco. How did they do?

This was Mr. Steyer’s first time on a presidential debate stage, and he spent much of his seven minutes and 13 seconds of speaking time introducing himself and his ideas.

Yes, he acknowledged, he is a very rich guy. But as a longtime Democratic donor who has pushed for impeachment for years, he sought to position himself as the best person to expose what he described as the president’s failures.

And asked whether billionaires should be taxed out of existence, he answered yes without hesitation. He also railed against a government that he said has been bought by big corporations.