LOS ANGELES (Reuters) - CBS is trying to change the face of network news by luring Katie Couric, co-host of NBC's top-rated morning show "Today," to the evening news anchor seat vacated by Dan Rather, the Los Angeles Times said on Friday. Citing senior editorial staffers at both networks, the Times said newly installed CBS News President Sean McManus had determinedly wooed Couric in recent weeks to take over as permanent anchor of the CBS Evening News and that Couric was seriously considering such a move. CBS and NBC both declined comment on the story. Media reports began circulating in...