Pete Buttigieg is facing an investigation from House Republicans over the Biden administration's response to Norfolk Southern's toxic freight train derailment in East Palestine, Ohio – with lawmakers in his own party also questioning his department’s response.
Why it matters: The 41-year-old transportation secretary, whose tenure has already been marred by historic transport-related crises, has emerged as the face of the issue in recent weeks and become a go-to target for Republican lawmakers.