The federal judge in charge of overseeing the multiple lawsuits filed by the Federal Housing Finance Agency against non-agency mortgage-backed securities issuers for allegedly misrepresenting deals that were sold to Fannie Mae and Freddie Mac rebuffed yet another motion by the banks to curtail the suits. Last week, Judge Denise Cote of the U.S. District Court for the Southern District of Manhattan rejected a motion to exclude an expert report describing the Finance Agency’s proposed…