1. Big news from the Supreme Court. In the morning, justices dealt a heavy blow to labor unions, saying that nonmembers are not required to pay agency fees.

Public-sector unions, including those for teachers, could lose major funding and see membership drop, but our analysis is that labor will not necessarily become weaker.

In the afternoon, Justice Anthony Kennedy, above, made even bigger headlines by announcing his retirement. A Reagan appointee, he was the court’s leading champion of gay rights and often a crossover vote. Our Supreme Court correspondent called the news a “judicial earthquake.”