UPDATE: Here’s GSA’s statement: “GSA encourages the use of social media technologies to enhance communication, collaboration and information exchange in support of GSA’s mission. GSA is currently in negotiations with NFFE to go through normal labor management processes to reach resolution. Last fall, GSA successfully completed negotiations with another labor organization representing GSA employees on this same issue.” The National Federation of Federal Employees today said negotiations with the General Services Administration have broken down over a social media policy for GSA employees. NFFE said GSA’s new rules on social media could result in an employee getting fired for posting…