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In today's special edition of CNN Student News, we're showing you how one of the most remote places in the world became one of the hardest-hit by pollution.

New York University and Princeton University Professor Stephen Cohen weighs in Russia's involvement in US politics.

Sen. John McCain tells CBS's "Face the Nation" that it is clear that Russians interfered in the US election and there should be an investigation.

Russian airstrikes have driven ISIS fighters from Syria's Palmyra. CNN's Fred Pleitgen reports how ISIS is trying to regain control of the ancient city.

Former NYT executive editor Jill Abramson exhorts the public to "take out their wallets and subscribe" to high-quality news.

"Media is a healthy part of our democracy," RNC chief strategist Sean Spicer says, but Trump has an equal right to free speech and to "make sure the record's corrected."

"I think we missed the ball on this," Liz Wahl says. Julia Ioffe says Russian interference was thoroughly covered before election day, but "A, people aren't listening and, B, don't believe us."

The RNC says it was not hacked, contradicting some of the claims in David Sanger's story. Sanger responds and explains his reporting process.

While on "The Tonight Show," actor Dwayne "The Rock" Johnson decided to give a military family a surprise for the holidays.

Sen. Chuck Schumer (D-NY) says Congress will work together to stop the "grave threats that cyberattacks conducted by foreign governments" pose to national security.

Vice President Biden discusses with Jake Tapper what he is most proud of in his career and his biggest regret

Israel will receive the first of its 50 F-35 Lightning fighter jets as it looks to boost its air superiority in the region. CNN's Ian Lee reports.

Vice President Biden discusses his plans for his future after he leaves office in January

Vice President Biden discusses with Jake Tapper why he thinks Clinton lost with white-working class voters

Vice President Biden discusses with Jake Tapper his 2020 prospects