The Sun Times today gave a major clue that Barack Obama will indeed go down with Tony Rezko, sooner rather than later. It looks as though Rezko is about to turn on Alexi Giannoulias, the 30-year old State Treasurer of Illinois (who was elected only because Obama backed him). Here’s where all the clues are…and then we’ll walk you through the local Chicago politics on how today’s hint by the Sun Times has us convinced, for the first time ever, that prosecutor Patrick Fitzgerald could indeed send Barack Obama to jail. We need to repeat that: we never believed, until...