Nearly 9,000 nurses at Corewell Health in Southeast Michigan have voted to authorize a potential strike after months of stalled contract negotiations over wages and healthcare benefits.The nurses, who unionized with Teamsters about a year and a half ago, are pushing for their first contract since forming the union. The authorization vote came as roughly 9,000 of the 10,000 unionized Corewell Health Teamsters nurses backed the measure. Watch Jeff…