WASHINGTON - A federal court threw the future of Internet regulations and U.S. broadband expansion plans into doubt Tuesday with a far-reaching decision that went against the Federal Communications Commission. The U.S. Court of Appeals for the District of Columbia ruled that the FCC lacks the authority to require broadband providers to give equal treatment to all Internet traffic flowing over their networks. That was a big victory for Comcast Corp., the nation's largest cable company, which had challenged the FCC's authority to impose such "Net neutrality" obligations on broadband providers. The ruling marks a serious setback for the FCC, which is trying to adopt official net neutrality regulations. Read more at: http://news.google.com/news/more?pz=1&cf=all&ncl=dE4S3dRlW2TFkFMZVHy_eAFDR56...