Thursday on the News Hour, former President Trump reverses course and agrees to debate Vice President Kamala Harris as she's gaining in the polls. Former House Speaker Nancy Pelosi discusses her new book and weighs in on Democrats' chances of victory in the upcoming election. Plus, a year after fires devastated parts of Hawaii, residents are rebuilding but still see a long road ahead. PBS News is supported by - https://www.pbs.org/newshour/about/funders