This year's list of Chicago’s largest private companies has a newcomer near the top. Crain’s researcher David Nusbaum discusses with host Amy Guth. Plus: New details on Ishbia-Amtrak land deal as Sox future takes shape, Loop office tower owner hit with $223 million foreclosure lawsuit, Baird raises $450 million amid sluggish private equity environment and Trump pans United-American merger while pushing for a Spirit buyer.