Sean Duffy is entering the real world of Washington D.C., with Donald Trump tapping the Fox Business host and former Representative of Wisconsin as his secretary of transportation. Duffy will replace Pete Buttigieg,

President-elect Donald Trump says former Wisconsin Rep. Sean Duffy is his choice for transportation secretary as he continues to roll out picks for his Cabinet.

President-elect Trump nominated former Rep. Sean Duffy (R-Wisc.) to serve as Secretary of Transportation. The big picture: The Fox News contributor, and staunch Trump supporter, left Congress in 2019 and now co-hosts "The Bottom Line" on Fox Business.