Sean Duffy, the new transportation secretary, is facing his first major crisis just hours after his swearing-in.
WASHINGTON – Central Wisconsin's Sean Duffy is facing his first big test as secretary of the Department of Transportation ...
Duffy was sworn into the Cabinet position just hours before an American Airlines passenger plane collided with a U.S. Army ...
Secretary of Transportation Sean Duffy immediately moved to roll back fuel efficiency standards moments after being sworn in ...