Former South Carolina Gov. Nikki Haley is ramping up her attacks on former President Donald Trump, but her path to winning the GOP nomination remains very narrow at best. Why is she staying in the race? A key witness in the Republican-led impeachment inquiry against President Biden has been charged with lying about an alleged bribery scheme. And a new study shows that nearly half of all American adults know someone who died from an overdose. How is this affecting the people who are closest to the crisis?

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Today's episode of Up First was edited by Lisa Thompson, Krishnadev Calamur, Andrea De Leon and HJ Mai. It was produced by Claire Murashima, Ben Abrams and Milton Guevara. We get engineering support from Robert Rodriguez and our technical director is Hannah Gluvna.

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