Welcome to Supreme Court Brief. It's criminal justice day at the court this morning. We spotlight the Cato Institute's concerns about plea bargaining in an amicus brief in one of the two cases set for argument. Gibson, Dunn & Crutcher's Theodore Olson takes the lead on a new petition challenging secrecy in the Foreign Intelligence Surveillance Court. And the Biden administration has lured three lawyers on Jeffrey Fisher's legal team that won review Monday of a petition.

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