President-elect Trump’s latest Cabinet announcement came Monday evening, when he tapped Sean Duffy to be his Transportation secretary. Since he was elected earlier this month, Trump has named to his second administration numerous officials,

Duffy is a former reality TV star who was one of Trump's most visible defenders on cable news — a prime concern for the media-focused president-elect.

If approved, Duffy would oversee a complex system of pipelines, railroads, cars, trucks, airlines and mass transit systems, as well as funding for highways.