The close ties between Rep. John Murtha and a Washington lobbying firm raided by the FBI have put the powerful Pennsylvania Democrat under greater scrutiny. The lobbyists at PMA Group have been Murtha's fifth most generous campaign donor over time, but he is just one of 284 members of the 111th Cong...

John McCain's military experience is hardly gaining him a financial edge from defense contractors, whose campaign contributions to the presumptive Republican presidential candidate are only about $4,000 more than those given to his likely Democratic challenger, Barack Obama, who has no military expe...