Welcome to Supreme Court Brief and the start of the February argument session. Former Supreme Court clerks dominate the ranks of advocates arguing in the two-week session. Plus, a former clerk to Justice Sonia Sotomayor talks about joining Cooley's appellate practice and working at the high court. And the justices take a second look at a long-running water fight between Florida and Georgia.

Contact Marcia Coyle at [email protected] and follow her on Twitter @MarciaCoyle.