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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

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

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

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

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

Video

7:05

Farrow: Yale classmate certain of Kavanaugh misconduct

Farrow: Yale classmate certain of Kavanaugh misconduct

Farrow: Yale classmate certain of Kavanaugh misconduct

Video

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?

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

Video

8:42

Amy Walter and Tamara Keith on GOP support for Kavanaugh

Amy Walter and Tamara Keith on GOP support for Kavanaugh

Amy Walter and Tamara Keith on GOP support for Kavanaugh

Video

8:24

This Minnesota district is one that could decide Congress

This Minnesota district is one that could decide Congress

This Minnesota district is one that could decide Congress

Video

4:12

Kavanaugh will defend his integrity at hearing, friend says

Kavanaugh will defend his integrity at hearing, friend says

Kavanaugh will defend his integrity at hearing, friend says

Video

5:55

News Wrap: Pope concedes church change needed amid scandals

News Wrap: Pope concedes church change needed amid scandals

News Wrap: Pope concedes church change needed amid scandals

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4:29

Leaders confront Trump’s ‘America First’ philosophy at UN

Leaders confront Trump’s ‘America First’ philosophy at UN

Leaders confront Trump’s ‘America First’ philosophy at UN

Video

4:29

Kavanaugh defends teenage self as Trump attacks accusers

Kavanaugh defends teenage self as Trump attacks accusers

Kavanaugh defends teenage self as Trump attacks accusers

Video

3:44

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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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