Today on CNN 10, we break down what's at stake for the economy after President Trump imposed steep tariffs on America's three largest trading partners. We also learn about marine biologists in Costa Rica on a mission to save a critically endangered species of shark. And we'll learn about the most accurate groundhogs who predicted the weather as part of the long running winter tradition. All this and more on today's CNN 10! 

Learn more about your ad choices. Visit podcastchoices.com/adchoices