Ahead of a busy holiday weekend, more than 300 Minneapolis parks workers are preparing to walk off the job. We heard from union leaders about their week-long strike and what’s been happening at the bargaining table. It may rain on your Fourth of July parade and Mother Nature will have fireworks of her own. We got a detailed forecast for the holiday from MPR News chief meteorologist Paul Huttner. A new law in effect requires cosmetologists in Minnesota to learn how to cut and style textured hair. We talked to a cosmetology educator about the importance of expanding training. And a new documentary takes a deep dive into the world of Minnesota Roller Derby. We met the local filmmaker behind “Minnesota Mean.”