A US federal appeals court has given the green light for warrantless wiretapping. That means federal government can now spy on communications between America citizens without any warrants—and without fear of being sued, either.The ruling came Tuesday, Wired reports, in the process reversing the original ruling from the first and only case to successfully challenge the Terrorist Surveillance Program. A three-judge panel of the 9th U.S. Circuit Court of Appeals wrote:
