World News Tonight with David Muir 
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World News Tonight Reports
Vaping possible factor in recent death, officials say
Comes amid heightened scrutiny of e-cigarettes.
Aug 23
Supreme Court Justice Ruth Bader Ginsburg treated for new pancreatic cancer
Ginsburg was recently treated for a new "malignant tumor" on her pancreas.
Aug 23
2 alleged school shooting threats end in arrests on same day
One alleged threat was made on Snapchat; the other was posted on Discord.
Aug 23
Trump announces tariffs increase on China after Dow dropped more than 600 points
The president's tweets came China announced retaliatory tariffs earlier.
Aug 23
Billionaire conservative icon David Koch dies at 79
He stepped down from Koch Industries last year due to deteriorating health.
Aug 23
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