Oct. 9, 2019: Impeachment As Civics Lesson; Vaping At A Turning Point; Defining Epidemics

The impeachment controversy offers an opportune time for professors to teach students about checks and balances. Then, teens seem to be heeding warnings about vaping-related illnesses, but would you call the situation an “epidemic”?  Plus, a supervised injection site gains momentum, Denver's first black female doctor and the psychology of extreme sports.