LightSquared executives have asked the Pentagon and Transportation Department to investigate a leak of information suggesting that the company's new communications network interfered with 75 percent of certain Global Positioning System receivers that were recently tested. Company executives believe the information in a Dec. 9 Bloomberg article is distorted, Martin Harriman, LightSquared's executive vice president for ecosystem development and satellite business, said during a Dec. 12 teleconference. LightSquared executives sent a letter today to Deputy Defense Secretary Ashton Carter...