Russia hurled its military might against Ukrainian cities and towns and poured more troops into the war, seeking to slice the country in two in a potentially pivotal battle for control of the eastern industrial heartland of coal mines and factories. Clayton Neville reports on that for us.

A new U.S. government center aims to become the National Weather Service for infectious diseases — an early warning system to help guide the response to COVID-19 and future pandemics. John Stolnis has the details on that.

The Justice Department said Tuesday it will not appeal a federal district judge’s ruling that ended the nation’s federal mask mandate on public transit unless the Centers for Disease Control and Prevention believes the requirement is still necessary. Pamela Furr has that story.

We'll find out more about how safe we can expect to be aboard public transportation without masks required with Dr. William Schaffner, medical director for the National Foundation for Infectious Diseases.

And we'll turn an eye towards the midterm elections with Steve Shepard of Politico.