Supreme Court Justice David Souter's decision to retire this year already has led to a swirl of speculation over who will replace him.
Here's a list of possible nominees President Obama may consider:
-- Sonia Sotomayor, judge for the U.S. Court of Appeals for the 2nd Circuit
-- Elena Kagan, solicitor general, former Harvard Law School dean
-- Harold Koh, former Yale Law School dean, nominee for legal adviser to the State Department
-- Deval Patrick, Massachusetts governor
-- Leah Ward Sears, outgoing chief justice of the Georgia Supreme Court
-- Janet Napolitano, Department of Homeland Security secretary
-- Jennifer Granholm, Michigan governor
-- Kathleen Sullivan, professor and former dean of Stanford Law School
-- Cass Sunstein, law professor at Harvard University, Obama's choice to lead Office of Information and Regulatory Affairs
-- Ruben Castillo, judge for the U.S. District Court for the Northern District of Illinois
-- Margaret McKeown, judge for the U.S. Court of Appeals for the 9th Circuit
-- Diane Wood, judge for the U.S. Court of Appeals for the 7th Circuit
-- Kim McLane Wardlaw, judge for the U.S. Court of Appeals for the 9th Circuit
-- Seth Waxman, former solicitor general
-- Pam Karlan, law professor at Harvard University
-- Sandra Lea Lynch, chief judge for the U.S. Court of Appeals for the 1st Circuit
-- Merrick Garland, judge for the U.S. Court of Appeals for the District of Columbia Circuit
-- Eric Holder, attorney general
-- Karen Nelson Moore, judge for the U.S. Court of Appeals for the 6th Circuit
-- Charles Ogletree, professor at Harvard Law School
-- David Tatel, judge for the U.S. Court of Appeals for the District of Columbia Circuit
-- Rosemary Barkett, judge for the U.S. Court of Appeals for the 11th Circuit
-- Fortunato Benavides, judge for the U.S. Court of Appeals for the 5th Circuit
-- Marsha Berzon, judge for the U.S. Court of Appeals for the 9th Circuit
-- Jose Cabranes, judge for the U.S. Court of Appeals for the 2nd Circuit