(The Center Square) – The latest bargaining session between union leadership for the Washington Federation of State Employees and the Office of Financial Management lasted 15 hours, but apparently did not bring the two sides any closer to a contract agreement. WFSE members have scheduled a Sept. 10 walkout for some 50,000 state employees. According to a union update, leaders are frustrated with negotiations on the new two-year contract (2025-2027) calling the latest offer from OFM “disrespectful.” According to a post on the WFSE website, the union contends OFM is proposing takeaways in the lat…