After months of negotiations, and just hours before the current collective bargaining agreement expired, the University of Washington and UAW 4121, representing nearly 4,500 academic student employees (ASEs) including teaching assistants, research assistants, readers, graders and tutors, reached a tentative agreement Thursday for a new three-year contract. A ratification vote by union members on the contract will take place in the coming weeks. “We are very pleased that the negotiations concluded successfully and we were able to reach agreement with…