Theyre among at least 50 people who had applications submitted in their names, without their knowledge, for Lifeline, a Scripps News investigation finds.  TerraCom and its affiliate, YourTel America Inc., together provide Lifeline phone service in 21 states. Their issues reflect broader concerns about administration of the government program, which aims to ensure that low-income households have an open line to jobs and medical care.  Former contract agents for TerraCom and YourTel told Scripps they forged application signatures, manufactured addresses and retained legitimate applicants Social Security numbers and other sensitive personal information.;