A U.S. airstrike in Iraq early Friday morning killed Qassem Soleimani, a powerful Iranian military leader. Iran has vowed retaliation, and while nothing has come yet, the oil markets are reacting. This is a critical spot in the oil market, and analysts are trying to assess where the heightened risks are to oilfields, workers, pipelines, processing facilities, vessels and shipping lanes. Plus: global spending on video games hit a high in 2019, a new industry that’s helping adults make friends and economic opportunities that lie on the hiking trails.