Uber wants to be more than a rideshare company. They want to dominate a number of transportation markets in the same way Amazon has become a one-stop shopping experience. To that end, Uber has leased the massive old post office building that straddles the entrance to the Eisenhower expressway, with plans to turn it into the headquarters for Uber Freight. But the company hasn’t turned a profit yet, and Wall Street isn’t as forgiving with companies as they were when tech first began to boom.Then, steel companies are dumping poisonous chemicals into rivers and streams the feed directly into Lake Michigan. We’ll find out what’s going on, and the environmental impact.