What We're Following This Afternoon

A narrow escape for public-sector unions: As Matt writes, the justices split 4-4 in Friedrichs v. CTA, leaving a pro-union ruling in the lower courts intact. Justice Antonin Scalia, who died last month, would almost certainly have voted to overturn Abood v. Detroit Board of Education, the decision that became the basis for public-employee contracts.

Trump’s manager is charged with battery: Corey Lewandowski was booked on misdemeanor charges today, stemming from the March 8 incident with Michelle Fields, who at the time was a reporter with Breitbart. Trump’s response:

Scott Walker endorses Ted Cruz: The Wisconsin governor was once seen as a potential Republican presidential nominee. Today, he gave his backing to the U.S. senator from Texas:

The state holds its primary on April 5.

News from the morning here