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Trump, South Korea's Moon sound positive notes on the North

Trump, South Korea's Moon sound positive notes on the North

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5:41
Republicans push back on new Kavanaugh allegation

Republicans push back on new Kavanaugh allegation

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8:42
News Wrap: U.S. and China impose latest round of tariffs

News Wrap: U.S. and China impose latest round of tariffs

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3:11
Redford retires from acting as a bankrobber who won't quit

Redford retires from acting as a bankrobber who won't quit

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7:05
Farrow: Yale classmate certain of Kavanaugh misconduct

Farrow: Yale classmate certain of Kavanaugh misconduct

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5:24
Will a police officer's trial be a turning point in Chicago?

Will a police officer's trial be a turning point in Chicago?

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8:42
Amy Walter and Tamara Keith on GOP support for Kavanaugh

Amy Walter and Tamara Keith on GOP support for Kavanaugh

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8:24
This Minnesota district is one that could decide Congress

This Minnesota district is one that could decide Congress

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4:12
School concerns spur passions in Wisconsin governor's race

School concerns spur passions in Wisconsin governor's race

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7:48
Bill Cosby and the turning tide for sexual assault survivors

Bill Cosby and the turning tide for sexual assault survivors

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8:37
Kavanaugh will defend his integrity at hearing, friend says

Kavanaugh will defend his integrity at hearing, friend says

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5:55
News Wrap: Pope concedes church change needed amid scandals

News Wrap: Pope concedes church change needed amid scandals

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4:29
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PBS News Hour

Scientists study the impact of hidden plastic

Microplastics -- tiny fragments of plastic contained in microbeads and microfibers of everyday household products -- have infiltrated the landscape, oceans and living organisms. By studying microplastics, scientists hope to better understand their impact and how to limit their damage. Andrea Thompson, associate editor for sustainability for Scientific American, joins Hari Sreenivasan for more.
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