• Shannon Mulcahy worked at Rexnord for nearly 18 years.

Background reading:

• Workers like Ms. Mulcahy took pride in their jobs at the Rexnord factory in Indianapolis. The bearings they made were top-notch. In the end, it didn’t matter.

• Global trade has led to a more advanced economy, but many American factory jobs are disappearing.

• Economists say the bigger threat to manufacturing jobs isn’t China or Mexico, but automation.

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