Brian Mann

It's tradition in Switzerland to follow "wander" trails. We hear what it's like to walk along a gorgeous river valley in the hills above Zurich.

The Biden administration says it has a plan to curb fatal overdoses by 13% by 2025. But as more synthetic opioids reach the U.S., there's skepticism interdiction can slow the flow of deadly drugs.

While New York's governor has toughened gun laws in a bill signing, Tennessee's governor is focusing on "hardening" schools — showing how differently states are addressing gun violence.

A third of Ukrainians have called Russian their mother tongue. Russian statues and cultural markers abound. Are these influences inherently toxic? The war is prompting emotional conversations.

Overdose deaths have risen sharply across Canada in the past five years, with deaths linked to fentanyl doubling. Officials hope decriminalization will make more users willing to seek medical care.

The Centers for Disease Control and Prevention released new data this week showing drug overdoses killed more than 107,000 people last year.

Children in Ukraine are among the most at risk as Russia's army continues to attack with ground troops and artillery. We hear from young people living near the front lines.

Ukraine's army is slowing Russia's invasion to a crawl, but there is still heavy fighting in the south. For those living there, the war has started to feel like a deadly kind of normal.

People in the Ukrainian city of Odesa are considering how their deep Russian heritage can fit into Ukraine's national identity. Some want Russian monuments and cultural markers removed.

The Biden administration is promising Ukraine more military aid and money. Secretary of State Antony Blinken and Defense Secretary Lloyd Austin traveled to Kyiv to meet with President Zelenskyy.

Ukrainian soldiers are still hanging on in Mariupol while the country waits for more weapons from the U.S. In the southern port city of Mykolaiv, residents are fleeing the Russian attacks.

Odesa's port was a lifeline for Ukraine and a key player in global supply chains. Now, Russia's invasion and a blockade in the Black Sea have the city in a stranglehold.

Russia has begun military operations that are expected to lead to a massive offensive. Ukraine has had weeks to prepare.

Russian officials say they've begun a new phase of their invasion of Ukraine. Ukrainian officials report fierce clashes across a wide front in the east and south.

Hundreds of thousands of Ukrainians are still living close to the front lines as Russia readies another offensive. Here's how people are surviving in the city of Mykoliav.

Russia has given Ukrainian soldiers in Mariupol a chance to surrender as they close in on the port city. Meanwhile, Russia is intensifying rocket attacks elsewhere in Ukraine.

Fighting continues in the besieged port city of Mariupol, where Ukraine says Russia used long-range bombers for the first time.

The Moskva has been heavily damaged and its crew evacuated. The ship is the same one whose crew ordered Ukrainian troops on Snake Island to surrender — a demand that was met with profanity.

Ukraine says a Russian warship in the Black Sea has been "seriously damaged" by a Ukrainian missile attack. Russia's Ministry of Defense tells a different story.

At Christmas, they performed The Nutcracker. As Easter approaches, they and their mom are among millions who've been scattered by violence, separated from their old lives, facing an uncertain future.