Mark Cuban, Michelle Yeoh, Happiness

Hosted by Jane Pauley. In our cover story, Susan Spencer looks at how friendships are the key to happiness. Plus: Jim Axelrod sits down with entrepreneur Mark Cuban; Seth Doane talks with actress Michelle Yeoh about her acclaimed performance in "Everything, Everywhere, All at Once"; Luke Burbank checks out how days are celebrated on the National Day Calendar; and Mo Rocca looks back at how President Gerald Ford sought to "whip" inflation … with a button.

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