Today on Crain’s Daily Gist, host Amy Guth talks with Crain's tech reporter John Pletz about his ride in a self-driving car down the Kennedy. Plus: a judge tosses a lawsuit trying to stop Obama's presidential center, 2020 candidates call out McDonald's over sexual harassment, Pritzker signs an under-the-radar teacher pensions bill, Grubhub rises as Amazon plans to scrap restaurant delivery, business leaders call for compromise on a fair-workweek law and Crain's takes a look at how recreational marijuana could affect the workplace. Find @AmyGuth on Twitter and continue the conversation with hashtag #CrainsDailyGist.