DURHAM, NC - SEPTEMBER 6: Former U.S. President Bill Clinton learns about locally produced wines from general manager Leila Wolfrum while holding a four pack of Durham's Ponysaurus Beer under his arm at the Durham Co-Op on September 6, 2016 in Durham, North Carolina. Clinton was scheduled to speak in Durham at the Community Family Life and Recreation Center on wife, Democratic presidential nominee Hillary Clinton's plan for the economy. (Photo by Sara D. Davis/Getty Images)