Sean Duffy, the new transportation secretary, is facing his first major crisis just hours after his swearing-in.

Sean Duffy’s first big test as secretary of the Department of Transportation came just one day after he was sworn into office ...

Newly sworn-in Transportation Secretary Sean Duffy only had a few hours to celebrate his promotion before tragedy struck.

Prior to his appointment, Sean Duffy served as a Wisconsin congressman and district attorney and before that he was a reality ...

Sean Duffy was sworn in as Transportation Secretary on Tuesday and is now grappling with the fallout of the deadliest ...

Transportation Secretary Sean Duffy had been sworn in just hours before the deadly midair collision of a plane and helicopter near Washington, D.C.

President-elect Donald Trump's nominee for Secretary of the Department of Transportation, Sean Duffy has had a prolific political career as a Wisconsin congressman and district attorney.