Sec. Sean Duffy, Sen. Tim Kaine, Sen. Ed Markey

Transportation Secretary Sean Duffy warned Sunday that flights across the country could be delayed or even canceled due to the ongoing government shutdown as staffing shortages at air traffic control facilities spread nationwide. As the negative impacts of the 33-day government shutdown compound, Democratic Sen. Tim Kaine said Sunday he doesn't see the present funding impasse in terms of politics, insisting what Democrats are "focused on is the American people." Roundtable: Former DNC chair Donna Brazile, former New Jersey Governor Chris Christie, and author and journalist, Molly Ball.