Vice Presidential candidate Tim Walz introduced himself to the American public with a keynote speech at the Democratic National Convention. Vice President Harris will carry on portions of President Biden's agenda but there are some key differences she will campaign on, and a new survey finds Gen Z'ers feeling optimistic about the future but unprepared and disengaged at school.

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Today's episode of Up First was edited by Krishnadev Calamur, Roberta Rampton, Adriana Gallardo, Nicole Cohen, Janaya Williams and Alice Woelfle. It was produced by Ziad Buchh, Nia Dumas and Nina Kravinsky. We get engineering support from Hannah Gluvna. And our technical director is Zac Coleman.

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