She could never run for Mayor now that a major investigation and the word "scandal" hung heavily over her head. The end of her Council term in 2009 was shaping up to be the end of her political career.
Enter Mayor Bloomberg. The Mayor's proposal to save his own job was a godsend for Quinn. Four more years would mean that Quinn could have a chance at redemption - a chance for people to forget. If she could escape the slush fund scandal unscathed (I wonder if Mayor Mike might help her here?), four years from now she might once again be a viable candidate for mayor.
Council Speaker Quinn Picks Quiet Sunday to Sell Out Voters on Term Limits