With less than two months to go until Americans cast their ballots for president on election day, Donald Trump and Kamala Harris will confront each other in their first debate on Tuesday. We hear from one of those crucial people - the undecided voter – and about the role of younger Gen Z voters in this election. Also on the programme: SpaceX's Falcon 9 rocket has launched into space in an attempt to perform the world's first private spacewalk; and a report found that an environmental defender was killed every other day last year worldwide.(Photo: A billboard advertising the upcoming presidential debate. Credit: JIM LO SCALZO/EPA-EFE/REX/Shutterstock)