THE POPPING OF THE SPORTS BUBBLE? Three Phil Miller posts raise hints. One picks up a report that the Arena Football League is considering suspending its 2009 season, something that has since transpired. Another notes tough times for professional hockey, particularly in the Sun Belt. A third notes Governor Blagojevich's attempts to shake down the Chicago Cubs. It's not quite a bailout for the Tribune Company or for the Cubs, but it suggests the Tribune's offer of the Cubs is not that of a dowager's silverware to keep up appearances.