This is Informational Picketing, it's not a work stoppage. It's just to show support for patient safety. Those interested, wear a red shirt of you have one! Bring a guitar, sing union songs!
http://mnnurses.org/news/press-releases/thousands-mn-nurses-conduct-informational-picketing-may-12Members of the general public wanting to show their support for Minnesota nurses are encouraged to join the nurses on the picket lines, which will be conducted in Edina (outside of Fairview Southdale Hospital) and St. Paul (outside St. Paul Children's and United Hospitals).
May 12th marks the end of National Nurses Week. It is also the birthday of Florence Nightingale, the woman credited with laying the foundation for professional nursing during the 1800s.