It's his dream job - as it would be for any Chicago machine disciple who has seen firsthand the enormous power wielded by the mayor in that city. The mayor of Chicago has far more power than a senator or congressman and given that the job also means control of the state's most populous county - Cook County - and the opportunity for further influence and control - the power of Chicago's mayor is rivaled only by the governor in Illinois.But Rahm has not quite decided to pull the trigger. ABC News: Although no final decision has been made because of family considerations, ABC News has learned that White House officials are preparing for Chief of Staff Rahm Emanuel to announce on Friday -- as Congress adjourns for recess -- that he is leaving his post to explore a run for mayor of Chicago. White House officials expect that President Obama will also name an interim chief of staff, perhaps senior adviser Pete Rouse, at the announcement.Sources close to Emanuel cautioned that he has yet to...(Read Full Post)