Ride-share drivers strike. Are tariffs causing stock market volatility? A former U.S. ambassador on the “Art of Diplomacy.” And the cast of Lyric’s “West Side Story” performs a few tunes.

• Pump the Brakes: Uber, Lyft Drivers Strike
• Chinese Trade Negotiators Head to Washington After Trump’s Tariff Threats
• Former Ambassador Says US-Canada Relationship in Trouble
• Spotlight Politics: Illinois Finds $1.5 Billion in Budget Money
• Video: ‘West Side Story’ Artists Perform at WTTW
• Ask Geoffrey: What’s ‘Heinemann Studio’ Building in Back of the Yards?
• South Side Home Movie Project Aims to Fill in Historical Gaps