Last night, the Board of Supervisors voted 8-3 to postpone nominating an interim mayor. So the current board will have one last chance to pick San Francisco's Mayor for 2011 when they meet for a final time on January 4th.
Gavin, you'll remember, is scheduled to be inaugurated as Lt. Governor on January 3rd, although as the Chronicle pointed out yesterday, there is legal precedent if he wanted to delay his swearing-in.