David Axelrod, senior advisor to President Obama, told Joe Scarborough on MSNBC that White House Chief of Staff Rahm Emanuel "will think it over," in reference to a running for mayor of Chicago. Emanuel is one of many names that have started surfacing as potential candidates following Mayor Daley's retirement announcement yesterday.

UPDATE (2:00 p.m.): Mayor Daley said he won’t endorse anyone in the race to succeed him.

Check out our up-to-the-moment mayoral tracker for the latest on who's running and who's not here.