It&rsquo;s pouring, but that doesn&rsquo;t dampen the spirits of a thousand sharply-dressed politicians, urban planners and other civic leaders crammed into a tent on top of Millennium Park&rsquo;s Harris Theater. They&rsquo;re here to launch GO TO 2040, a blueprint for making tough development and spending choices in the Chicago area&rsquo;s 284 communities, for the next [...]