Leon Tong Ying-kit, a former restaurant cook, could face life in prison for charges of terrorism and secession. Source

She was a child prodigy from Hawaii who grew up to be the youngest world champion surfer and a four-time world champ. Source

Pyongyang cut off channels last year amid a stalemate in the U.S.-led diplomatic effort to limit its nuclear weapons. Source

Host country’s superstar lost in the third round. She’d taken a two-month mental health break before the Olympics. Source

The Republican from Wyoming retired in January after serving four terms. Police say it doesn’t appear that anyone else was involved in the accident. Source

White supremacists in the U.S. are growing in number, and changing their tactics. To go mainstream, they’re organizing to run for local office. What’s behind their rise? Tony Tony Dokoupil investigates for “CBSN: On Assignment.” Source

Over the past decade, Iceland has virtually eliminated new cases of Down syndrome through widespread use of genetic testing. But some are troubled by a society that can “pick and choose” which children get born. Elaine Quijano went to Iceland to look at the impact for “CBSN: On Assignment.” Source

Some 4,331 people were injured in gun violence incidents in 2016, up dramatically from the year before. Adriana Diaz looks into Chicago’s gun crisis for “CBSN: On Assignment” and meets people who feel they can never risk leaving home without one. Source

“CBSN: On Assignment” reports on the intense gun violence on the streets of Chicago, where shootings have claimed hundreds of lives. CBS News correspondent Adriana Diaz joins CBSN with more. Source

Instagram is on a mission to become the “kindest” place on the internet. But what do its efforts to combat toxic trolls mean for free speech? Wired magazine editor-in-chief Nicholas Thompson goes inside Instagram for “CBSN: On Assignment.” Source