Joanna Kakissis

The Trump administration has made good on it's threat to apply 25% tariffs to the two biggest U.S. trading partners, Mexico and Canada. China also had its tariff increased from 10 to 20 percent. Canada and China are hitting back with retaliatory tariffs and Mexico has promised to follow suit. We hear about the reaction and impact.

And the Trump administration has announce it is suspending military aid to Ukraine. Our correspondent in Kyiv says Ukraine is figuring out how it can continue despite losing support from the country's single most important ally.

The Trump administration is dismantling the United States Agency for International Development, USAID. They had been doing humanitarian work in more than 100 countries. We hear from NPR correspondents around the world about what the agency had been doing on the ground and what it's elimination could mean.

As President Trump takes office he inherits two international conflicts in which the United States is deeply involved. On the campaign trail he said he would be able to end the war between Russia and Ukraine. Last month he said there would be "hell to pay" if Hamas and Israel did not reach a ceasefire and hostage release deal before he assumed office. A temporary and fragile ceasefire began on Sunday.

We hear from NPR correspondents in Israel, Russia and Ukraine to hear about those countries' expectations for the Trump presidency.

In Russia, polls consistently show support for the war in Ukraine somewhere around 70%. But a recent independent study of Russians' opinions indicates the picture is more complex. We hear more from our correspondent in Moscow.

And in Ukraine, couples who are separated by the war can now propose and get married online over an app. The service is so popular there is a months-long wait for virtual ceremonies.

For the first time since their country became a republic more than two hundred years ago, Mexicans have elected a woman as president. And Ukraine's center for book publishing survives a punishing Russian bombardment.

A Crimean Tatar couple in Ukraine, displaced by Russian troops, sees parallels to the Soviets' forced deportation of 200,000 Tatars from Crimea 80 years ago.

Ukraine says it is struggling to contain a new Russian offensive in a northeastern border region. Its army is short on troops and ammunition. How has Russia gained momentum in this war?

A profile of a small frontline newspaper that has been reporting on Ukrainian POWs released from captivity in Russia.

Ukraine's security services says it has exposed a network of agents working for Russia who were plotting to kill President Volodymyr Zelenskyy and other top officials.

It's taken months of debate on the Hill, but Ukraine finally has the military assistance it's been seeking. After two years of fighting, military experts say the nation still faces a long road ahead.

As Ukraine awaits for badly needed military aid approved by Congress earlier this month, it's not just weapons and ammunition in short supply. Ukraine also desperately needs more soldiers.

Delays in military aid have cost Ukraine's forces lives, time, and territory. Passage yesterday of nearly 61 billion dollars in US funding has Ukrainians relieved, but uncertain about the future.

After months of deliberations, Ukraine's parliament adopted the law to mobilize hundreds of thousands of new soldiers. Russian troops are on the offensive, and Ukrainian soldiers are exhausted.

Some Ukrainians are spending their days under the fire of advancing Russian troops. We meet some of the last residents of an eastern Ukrainian town.

Russia launched its full-scale invasion of Ukraine two years ago. Russia expected a quick victory. Ukraine expected Russian defeat. But the war goes on.

When Russia invaded Ukraine, it expected a quick fight, like its 2014 annexation of Crimea. Two years in, the war grinds on.

Two years since Russia's invasion, the Ukrainian border city of Kharkiv prepares for a long war by building entire school systems underground.

As Ukraine struggles for military supplies and aid, a town in the eastern region of Donetsk that has been on the frontline for 10 years has fallen to Russia.

NATO is promising a delivery of a million drones to Ukraine, even as future U.S. support seems uncertain. Ukrainians in Sumy, a region in northeastern Ukraine, live under Russian shelling and deadly mortar attacks.

A Valentine's Day story from Ukraine, where the so-called Love Train brings significant others to meet soldiers on leave.