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Sept. 4, 2019: Digging Into The Mysterious Vaping Illness; Why Johnston Dropped Senate Bid

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49min 33sec
<p>Steven Senne/AP Photo</p>
<p>In this Wednesday, April 11, 2018 photo, an unidentified 15-year-old high school student uses a vaping device near the school&#039;s campus in Cambridge, Mass. Health and education officials across the country are raising alarms over wide underage use of e-cigarettes and other vaping products.</p>

A reporter looks into the origins of the mysterious illness linked to vaping. Then, making sure two car bombings in Boulder that killed Chicano student activists aren’t forgotten. Also, Mike Johnston says his priority now is electing a Democrat to replace Cory Gardner. Plus, Colorado cycling legend Jonathan Vaughters, on repairing the sport's reputation.