Minnesota nurses authorize strike against 7 health systems

Members of the Minnesota Nurses Association voted overwhelmingly to authorize a strike against seven health systems in the Twin Cities and Duluth, union officials say.

The vote Monday gave nurse negotiators the ability to call a strike, with a 10-day notice to employers. The union represents 15,000 nurses. The next negotiation session is set for Aug. 30.

Union officials said one of the biggest issues is retention with understaffing…