Welcome to Trump Watch. A new era at the Justice Department raises new questions about the future of special counsel Robert Mueller III’s probe. But today in a Washington, D.C., federal courtroom, lawyers for the special counsel will try to fend off a different kind of threat to the investigation: one man’s challenge to the constitutionality of Mueller’s appointment in May 2017.

We’re hitting your inboxes with a special edition to take you through this absolutely wild week, and touch on what to expect next for the Trump administration.