WASHINGTON, DC - SEPTEMBER 07: Democratic vice presidential nominee Sen. Tim Kaine (D-VA) leaves the weekly Senate Democratic policy luncheon at the U.S. Capitol September 7, 2016 in Washington, DC. Kaine took a break from the campaign trail to join his fellow Democratic senators for their first policy meeting since the end of their seven-week break. (Photo by Chip Somodevilla/Getty Images)