A bipartisan group of U.S. Senate lawmakers this week urged the Federal Housing Finance Agency to move the budding common securitization platform for Fannie Mae and Freddie Mac “past the duopolistic tendencies of the past.” The FHFA originally directed the two government-sponsored enterprises to develop the CSP so that it would be open to and functional for all residential mortgage securitizers, but the agency last year detoured slightly ... [Includes one data chart]