Illinois keeps losing people it can ill afford to lose. I recently checked in on a prospective donor who I met in Chicago three years ago. I didn’t know him at all back then, but it was easy to get a sense he cared deeply about Illinois. His passion for fixing Chicago’s problems was obvious from the moment I met him. He was everything Chicago should want from someone in the business community. An engaged and highly successful investor, tech entrepreneur and C-suite executive. Politically active yet still willing to get his hands dirty on real policy issues. Not scared...