Today on Crain's Daily Gist, host Amy Guth talks with Crain's political writer Greg Hinz about a proposal that could mean free tuition for Illinois STEM students. Plus: A crash report signals more turmoil ahead for Boeing, Verizon's first 5G mobile service goes live in parts of Chicago, WeWork announces two more co-working locations here, a spurned developer sues Lincolnwood over the Purple Hotel project, and the Chicago History Museum plans to spend $11 million on renovations and beautification. Follow host Amy Guth on Twitter @AmyGuth, or continue the conversation with #CrainsDailyGist.