SHHH. . . IT’S A SECRET!A Blackwater cover-uphttp://www.latimes.com/news/nationworld/nation/la-na-emails26oct26,0,798301.storyEven as Secretary of State Condoleezza Rice defended her department's oversight of private security contractors, new evidence surfaced Thursday that the U.S. sought to conceal details of Blackwater shootings of Iraqi civilians more than two years ago. . . .More: http://