Source: Carol Cratty / CNN Washington - A key Senate chairman says Congress needs to pass legislation to protect customers from unauthorized third-party charges on their phone bills because the telephone industry has failed to prevent the practice. Sen. Jay Rockefeller, D-West Virginia, said a one-year study by the Commerce, Science and Transportation Committee shows about $2 billion a year in "mystery fees" show up on the landline phone bills of Americans, a problem known as cramming. In a Wednesday hearing, Rockefeller [...]