Welcome to Supreme Court Brief. A gun-related challenge testing Section 230 liability under the Communications Decency Act recently landed at the Supreme Court. Meet the Manatt Phelps lawyers on the petition. You could say the justices are heavy hitters in the judicial field–and some of their clerks have their own “big league” experience. We’ll tell you about them. And former Deputy Solicitor General Michael Dreeben finds a temporary home after leaving the Justice Department. Thanks for reading. Contact us at [email protected] and [email protected], and follow us on Twitter at @Tonymauro and @MarciaCoyle.