Vox Sentences is your daily digest for what’s happening in the world, curated by Ella Nilsen. Sign up for the Vox Sentences newsletter, delivered straight to your inbox Monday through Friday, or view the Vox Sentences archive for past editions.

The Supreme Court hears arguments in the Masterpiece Cakeshop case; Brexit talks hit a major snag; Russia gets banned from the 2018 Winter Olympics.

A piece of cake

 Chip Somodevilla/Getty Images