What We're Following This Evening

Letters to Cuba: The U.S. Post Office began providing mail service to Cuba today for the first time in over 50 years as part of the Obama administration’s new policy on U.S.-Cuba relations. The first batch of mail from the U.S. included a letter from President Obama, who travels to Havana on Sunday, to a 76-year-old supporter in Cuba.

March Madness: The annual NCAA men’s basketball tournament is underway as 64 college basketball teams fight it out for the national championship. The games got underway today with Yale’s surprise win over Baylor as one of the big stories. Have you filled out your office bracket yet?

Flint water crisis: Michigan Governor Rick Snyder and EPA chief Gina McCarthy spent the day fielding questions from members of Congress angry over the city’s lead-contaminated water supply—and it got spicy. “I’ve had about enough of your false contrition and your phony apologies,” one lawmaker told Snyder. David has the rundown here.

News from this afternoon here