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The Show for Oct. 6, 2025: Critical minerals, Rep.-elect Grijalva waits in D.C. and more

An aerial view of a lithium mining site
NASA
An aerial view of a lithium mining site in Nevada.

Mining operations in the U.S. are throwing away critical minerals that could be used to power things like electric cars. How saving mining waste could fuel a clean energy future. And, the role of our personal walls in the polarization of the country.