After a historic 24 hours, Mary Bruce has the latest on Vice Pres. Kamala Harris campaign for the Democratic presidential nomination as key party leaders – including Nancy Pelosi – rally behind her; Pierre Thomas reports on Secret Service director Kim Cheatle’s fiery hearing on Capitol Hill amid bipartisan calls to resign over the assassination attempt on Donald Trump; Alex Perez reports on the disturbing body camera footage showing the moment an Illinois sheriff's deputy fatally shot unarmed mother Sonya Massey in her own kitchen; and more on tonight’s broadcast of World News Tonight with David Muir.

00:00 Intro
02:04 Key Democrats endorse Vice Pres. Kamala Harris following Biden’s withdrawal from 2024 race
08:35 Trump expresses frustration as campaign pivots from Biden to Harris
11:40 Speculation over who Kamala Harris will pick as running mate centers around NC, PA, KY governors and AZ senator
14:55 Kim Cheatle says Secret Service "failed," but resists bipartisan calls to resign
16:51 Newly released body camera video of woman killed by former Illinois sheriff’s deputy
18:41 Extreme heat and gusty winds fuel dozens of wildfires in the West
19:02 Southwest flight from Columbus to Tampa drops within 150 feet of water
19:20 Abdul “Duke” Fakir, the last of the original Four Tops, dies at age 88

ABC World News Tonight with David Muir delivers the news that matters most. Watch to get the latest news stories and headlines from around the world.

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