The Federal Housing Finance Agency is moving forward with its search to find a CEO to run the new common mortgage securitization platform that will one day be shared by Fannie Mae, Freddie Mac and, potentially, other issuers. But its anybodys guess how much the regulator is willing to pay to get a top-flight candidate, according to industry observers. At least two individuals recently were approached about the job, according to these observers. Funding for the project will presumably come...