Sean Duffy, the US transportation secretary, hauled his family into a van for a wholesome, seven-month trek across the nation, which was filmed for an upcoming reality TV program, he told Fox News on Friday. The revelation drew immediate blowback as “tone-deaf”, from critics who pointed toward various crises that have recently hammered the country’s transportation sector. Between February and April, a partial government shutdown – stemming from a protracted debate about funding for the Department of Homeland Security – led TSA agents to quit in droves over the lack of pay . Some airport travelers faced long wait times due to the ensuing staffing shortages. Then, in April, at New York City’s LaGuardia airport, an Air Canada jet collided with a fire truck, resulting in the death of two pilots. The circumstances around the incident remain under federal investigation.…