World News Tonight with David Muir

A massive arson attack disrupts rail travel before the Paris Olympics; former President Trump meets with Israeli Prime Minister Benjamin Netanyahu for the first time post-presidency; and former President Obama officially endorses Kamala Harris as the Democratic nominee. Learn more about your ad choices. Visit megaphone.fm/adchoices

Officials arrest man on suspicion of starting California wildfire; Harris says she's 'ready to debate Donald Trump' on Sept. 10; Reports: Russian chef arrested in plot to disrupt 2024 Olympic Games in Paris. Learn more about your ad choices. Visit megaphone.fm/adchoices

Biden speaks for 1st time on his decision to withdraw from the 2024 race; Netanyahu's visit sparks wave of protests in DC; Trump shooter looked up Kennedy assassination details: FBI. Learn more about your ad choices. Visit megaphone.fm/adchoices

Harris attacks Trump at 1st presidential rally in Milwaukee; Biden returns to White House for the 1st time since ending re-election bid; Secret Service Director Kim Cheatle resigns. Learn more about your ad choices. Visit megaphone.fm/adchoices

Pelosi, other key democrats endorse Harris for president; Predictions are swirling around possible Kamala Harris running mates; Secret Service Director Kim Cheatle grilled in hearing nine days after the attempted assassination of Donald Trump. Learn more about your ad choices. Visit megaphone.fm/adchoices