 ABC News. I'm Michelle Franzen. Vice President Kamala Harris held a campaign event in the battleground state of North Carolina today, greeted with cheers at a rally in Greensboro. Harris speaking at Dudley High School, the first black high school in Guilford County, once segregated by law, defending President Biden, who's facing calls from Democrats to step aside as the nominee. The one thing we know about our president, Joe Biden, is that he is a fighter.