Rahm Emanuel is expected to announce Friday that he's leaving the White House to run for mayor. But who else is running? As one Chicago political consultant put it a few weeks back, "You've got 50 aldermen who wake up every day and see a mayor in the mirror."

Thankfully, Progress Illinois has been keeping an updated list of who's in, who's out, who's rumored, and who's mulling a bid for mayor, with 38 candidates on the table.

See the list here.