WASHINGTON – An annual assessment of global Internet freedom has at best mixed news. The 2012 survey, "Freedom on the Net 2012: A Global Assessment of Internet and Digital Media," by Freedom House, finds repressive governments are becoming increasingly clever in their efforts to block messages and content. Full Report: FOTN 2012 FINAL.pdf "Tactics used are becoming more sophisticated and more diverse," Sanja Kelly, Project Director for the Freedom House survey, said at this morning's briefing, and she pointed to a newly popular method that has spread widely among repressive regimes: defamation….