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PBS NewsHour

James Cameron Descends 7 Miles Into Mariana Trench

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Shooting footage for a 3-D movie and a National Geographic special, filmmaker James Cameron journeyed to the bottom of the Pacific Ocean on Sunday, seven miles below the surface. Tom Clarke of Independent Television News reports on Cameron's deep dive to the Mariana Trench's Challenge Deep, 300 miles southwest of Guam.

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PBS NewsHour

State of the Union 2016

PBS NEWSHOUR offers live coverage of President Obama's speech and the Republican response.

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PBS NewsHour

PBS NewsHour Weekend

Premieres Saturday, September 7, 2013 at 6 p.m. ET.

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