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Justin Gatlin is an an American sprinter competing in the Rio Olympics. Gatlin talks to CNN's Coy Wire about his rivalry with Usain Bolt.

Three fishermen in Florida caught and released a massive 13-foot hammerhead shark.

No matter where the President goes, this satchel is always just a few feet away holding the power to launch nuclear weapons. CNN's Brian Todd reports.

Hillary Clinton acknowledged at a campaign stop that she "may have short-circuited" an answer she gave to Fox News about the FBI investigation into her use of a personal email server. CNN's Suzanne Malveaux reports.

John Kasich says he's no closer to endorsing Donald Trump for president, cementing his place as one of the most prominent holdouts in the Republican Party.

Richard Quest packs up the car and goes on a classic American road trip. Join him as he explores Yellowstone Park, Mount Rushmore, the varied landscape of the Badlands and Devils Tower. Business Traveller airs only on CNN. Check your local listing for show times.

The lawyer for the family of Paul O'Neal addresses the media after the family watched the video of the shooting.

A stronger than expected jobs report from the Labor Department shows the U.S. economy added 255,000 jobs in July. CNN's Christine Romans reports.

David Huddleston, who acted in "The Big Lebowski," "Blazing Saddles" and "Santa Claus: The Movie," has died. He was 85.

CNN's John King breaks down the numbers at the Magic Wall.

Protests grow ahead of the Olympic opening ceremony. CNN's Nick Paton Walsh reports.

CNN has learned that Donald Trump plans to endorse House Speaker Ryan after saying he wasn't quite there yet earlier this week. CNN's Jim Acosta reports.

The political panel discusses: Why is Trump not focusing on Hillary Clinton?

Archeologists discovered enormous stone walls buried at a location that some have claimed is the birthplace of the mythological figure King Arthur.

Dion Leonard was competing in a week-long run across China's Gobi Desert when a friendly little dog started following him. CNN's Robyn Curnow reports.

Facebook is testing a new feature in which the home screen takes a selfie, making it identical to Snapchat

In the UK, small groups of Black Lives Matter protestors shut down key roads in London, Birmingham and Nottingham. CNN's Phil Black reports.

At an Iowa rally, Donald Trump quoted a book written by a Secret Service agent and claimed Hillary Clinton is "unhinged" and "unbalanced."

Moroccan Olympic boxer Hassan Saada has been arrested for alleged sexual assault and will not participate in the Rio Olympics. CNN's Amanda Davies reports.

CNN's David McKenzie reports on major losses for South African President Jacob Zuma's ruling African National Congress (ANC) in municipal elections in major cities including Pretoria.