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Hillary Clinton slammed the first day of the Republican National Convention as "surreal," comparing Donald Trump to the "Wizard of Oz."

Hala Gorani talks to Dave Levinthal about money in politics.

Melania Trump delivered a speech at the Republican National Convention that was remarkably similar to a speech Michelle Obama gave at the Democratic National Convention in 2008.

Danny Cevallos reports on the game's terms and conditions and whether you can sue the app if you get hit by a car in your quest to catch 'em all.

Dr. Sanjay Gupta travels to Havana to learn more about the Cuban healthcare system. Despite being one of the poorest countries, Cuba's healthcare is relatively strong in many ways. "Vital Signs" airs on CNN. Check your local listing for show times.

Journalist Jarrett Hill was first to tweet about the similarities between Melania Trump's speech and Michelle Obama's speech in 2008.

A 17 year-old ax-wielding man, who attacked several people on a train in southern Germany, has been shot dead by police. CNN's Atika Shubert reports.

Bob Ossler has been a police chaplain for 38 years. He's been on the ground in Dallas and Baton Rouge comforting friends and family of the fallen officers.

Gilbert Faku splits his time between two very different pursuits. Most days, he's a farmer and rancher in the remote Eastern Cape region of South Africa. His livelihood depends on his cow herd. But Faku's other passion is much glitzier. He doubles as a treasure hunter in an area known for a wrecked Portuguese merchant ship that remains submerged near the shore. Come dig with Falu and peak at the rare treasure he has amassed.

The 16th-Century Mary Rose warship is on display at a museum in Portsmouth, England, after 34 years of restoration.

Parts of Melania Trump's Republican National Convention speech bear similarities to one given by Michelle Obama. Is Trump the latest in a long tradition?

RNC Communications Director Sean Spicer says Melania Trump's speech was not plagiarized, claiming similar phrases appear in many popular songs and the television show "My Little Pony."

After Melania Trump's speech echoed Michelle Obama's 2008 convention address, Christiane Amanpour looks at previous trips off the tongue in American politics.

A video showing a Wichita, Kansas, police officer dancing with a group of Black Lives Matter activists at a community cookout has become an Internet hit.

The world number one in the epee discipline gave CNN a fascinating account of why he chose the sport and how he tackles his opponents.

Historian and filmmaker Ken Burns tells Christiane Amanpour "that Donald Trump is the least qualified person who has ever run for national office."

Former CIA director Michael Hayden tells Christiane Amanpour the Trump presidential campaign "has appealed to the darker angels of our nature."

Tens of millions of dollars are spent by 11 separate initiatives that function as mini non-profits, focusing on 4 key areas. Confused? No wonder the Clinton Foundation has become a punching bag for critics who say the organization is full of conflicts of interest.