I SEE DEAD PEOPLE Keanu claims he has a Sixth Sense Exclusive By John Millar IN an eerie echo of movie The Sixth Sense, Keanu Reeves says he can 'see dead people'. The Hollywood star revealed his ghostly experiences in a remarkable interview about his new supernatural thriller, Constantine. When we meet in Los Angeles for the launch of the movie, Keanu tells me he has seen ghosts on at least two occasions. As he notices I'm goggle-eyed, he asks where I'm from - and, when I say Scotland, he laughs and says: 'My God, man, that's full of ghosts!...