Vice President JD Vance, left, shakes hands with Sean Duffy after swearing him in as secretary of transportation as his wife, ...

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

Duffy was sworn into the Cabinet position just hours before an American Airlines passenger plane collided with a U.S. Army ...

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

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

New transportation secretary Sean Duffy faces his first crisis as an Army helicopter collides with an American Airlines jet ...