President Trump canceled planned strikes on Iran, causing oil prices to drop and stocks to rally, while the Supreme Court blocked Alabama’s nitrogen gas execution. Trump also opened protected Pacific waters to commercial fishing, facing opposition from Native Hawaiian groups. In other news, a judge upheld New Mexico’s universal child care program, and a suspect pleaded guilty in the assassination of Minnesota lawmaker Melissa Hortman. Additionally, a report highlights gaps in teacher preparation for reading instruction, and the BBC canceled a Doctor Who special.