Wednesday on the NewsHour, former President Trump and President Biden close in on their parties' nominations despite voter concerns about a 2020 rematch. The long-delayed Boeing Starliner finally lifts off, beginning a new era of crewed space flight. Plus, we travel to France to meet veterans of D-Day as they prepare to mark the 80th anniversary of the Allied invasion of Normandy. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders