Final preparations are underway as Vice Pres. Kamala Harris and former Pres. Donald Trump prepare to take the stage at their first official debate in Philadelphia – Mary Bruce, Rachel Scott and Rick Klein have the latest; Steve Osunsami looks back at the life and legacy of legendary actor James Earl Jones, who has died at age 93; Pierre Thomas reports on the urgent manhunt for a suspect who allegedly opened fire, hitting at least 12 vehicles, along a Kentucky interstate; and more on tonight's broadcast of World News Tonight with David Muir.