A Pennsylvania defense research center regularly consulted with two "handlers" close to Rep. John Murtha (D-Pa.) as it collected nearly $250 million in federal funding through the lawmaker, according to documents obtained by The Washington Post and sources familiar with the funding requests. The center then channeled a significant portion of the funding to companies that were among Murtha's campaign supporters. The two advisers included a lobbyist for PMA, a firm with close ties to Murtha that is under federal investigation for allegedly making illegal contributions by reimbursing donors to the Pennsylvania lawmaker and other members of Congress. The Electro-Optics...