The Louisiana State University System Board of Supervisors rejected the draft governing agreement for a proposed teaching hospital in New Orleans, instead endorsing a revised model that board members said would give LSU more influence over the enterprise. The next step in the governance wrangling is not clear, given that Tulane University's governing board approved the original draft agreement in its own special meeting a day after state Health Secretary Alan Levine pitched the deal as the product of intense private negotiations between the two schools.