In a stunning move decried by critics as "the epitome of arrogance," Mayor Daley closed down Meigs Field by tearing up its only runway--without warning pilots, air traffic controllers or many of his political allies. A combative mayor said he was staving off possible terrorist attacks from the skies over the Loop, and that the quick action was necessary to avoid a protracted battle with Meigs supporters. But to those supporters, Daley's motivation was clear: For years he has wanted the 80 or so acres for a park, and now he's shamelessly using these anxious times as an excuse to...