SMALL WORLDYou couldn’t make it up. Tony Rezko, big-time Chicago mover and operator, has been tagged to Obama. But yesterday we learned that Rezko’s associates went to Karl Rove to try to get investigator Patrick Fitzgerald (yes, THAT Patrick Fitzgerald) firedhttp://www.chicagotribune.com/news/local/chi-rezko-rove-fitzgerald-web-apr24,0,2332070.storyIn a bombshell disclosure before testimony