What does it mean to be masculine?

We're talking to Joel Stein about his quest to shore up his masculinity this morning. He went on a mission to learn what it means to be a man after learning that his first child would be a son. He hung out with firefighters, learned to fire a gun, and attempted to master the skills of Boy Scouts.

Here he is with Kurt Andersen in a video from public radio's Studio 360:

What does masculine mean to you? (Men and women can both weigh in here.)

--Steph Curtis, social media host

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