Charlie Sheen follows wife on rehab road

LOS ANGELES - Actor Charlie Sheen, star of U.S. television's hit comedy "Two and a Half Men," has followed his wife and entered a rehabilitation facility as the couple try to put their lives back together after a violent Christmas Day argument. Sheen, 44, checked in for undisclosed reasons in what his publicist on Tuesday called "a preventative measure," causing his top-rated CBS TV show to