Mark Hamill remembers the first time he learned about voice acting — he was watching a Walt Disney special about animation and he saw Clarence Nash "this guy in a suit and a microphone" doing the voice of Donald Duck. "I must have been five or six and a light bulb went off in my head ..." Hamill says. "Suddenly it occurred to me that somebody gets up in the morning, goes to work, and does Donald Duck for his job.

This year's high school graduates were born after the dawn of the new millennium. Some have dealt with school shootings. Others helped organize demonstrations to speak out against gun violence or climate change. We've reported on how college students are becoming more "nontraditional" than we think, but high school students — through social media and their experience — are also becoming more nontraditional.

Across the country, surgeons are learning to use more than just scalpels and forceps. In the past decade, a growing number of medical institutions have invested in the da Vinci robot, the most common device used to perform robot-assisted, or robotic, surgery.

For millions of Americans, this week will be their first introduction to many of the almost two dozen Democrats running for president, vying for the chance to try to unseat President Trump next year.

Twenty of the candidates will debate over two nights — Wednesday and Thursday — in Miami on NBC, MSNBC and Telemundo. Some lesser-known candidates will be hoping for a boost, and those who are better-known have pressure on them to perform.

An attempted coup in Ethiopia has left four officials dead, including the country's military chief, Prime Minister Abiy Ahmed's office announced on Sunday.

Abiy, the first member of Ethiopia's Oromo ethnic group to lead the country, took to state television wearing military fatigues. He urged for calm as he addressed the nation about the killings.

The chief of Ethiopia's armed forces, Gen. Seare Mekonnen, was fatally shot at his home on Saturday night by his bodyguard in the capital of Addis Ababa, he said. A retired general who was visiting Seare was also killed.

Istanbul has elected a new mayor in a rerun that is widely being seen as a referendum on President Recep Tayyip Erdogan and his grip on Turkey after the first mayoral elections were annulled.

Opposition candidate Ekrem Imamoglu, of the Republican People's Party (CHP), won the race by a slim margin in March. It was the first time Erdogan's Justice and Development Party (AKP) lost control of the city in 25 years.

But Imamoglu spent just 18 days in office.

U.S. National Security Advisor John Bolton on Sunday defended President Trump's move to order, then cancel a strike on Iran.

"Neither Iran nor any other hostile actor should mistake U.S. prudence and discretion for weakness," Bolton said. "No one has granted them a hunting license in the Middle East."

He spoke in Jerusalem alongside Israeli Prime Minister Benjamin Netanyahu. Bolton said he is in the Middle East for previously scheduled meetings with Israeli and Russian security advisors. And he warned Iran that the U.S. remains a formidable adversary.