President-elect Donald Trump says he wants Sean Duffy to be his transportation secretary. That would position Duffy to oversee a complex system of pipelines, railroads, cars, trucks, airlines and mass transit systems,

President-elect Donald J. Trump nominated the former representative from Wisconsin to oversee a sprawling agency that includes aviation, rail and transit.

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.