(St. Paul, MN)  —  A second strike vote is coming for the Minnesota Nurses Association.  The union announced yesterday that members will vote November 30th to authorize another possible strike at over a dozen Twin Cities and Twin Ports area hospitals.  If the strike is approved, negotiators would have to give ten-day notice to hospital employees.  The union held a three-day strike in September at both Twin Cities and Duluth-Superior hospitals.