Sean Duffy urges Dems to ‘come to their senses’ as chaos ensues at US airports Transportation Secretary Sean Duffy joins 'Sunday Morning Futures' to sound the alarm on the 30-day Department of Homeland Security shutdown, warning that the funding stalemate is crippling TSA operations and leaving the country vulnerable. NEW You can now listen to Fox News articles! Transportation Secretary Sean Duffy on Sunday sounded the alarm on prolonged airport delays during the Department of Homeland Security