Belle de Jour author Brooke Magnanti insists she was a call girl ' S7 q7 w% ]. I" [# K. h ; G/ z) }: H3 kBelle de Jour writer Dr Brooke Magnanti goes to court to defend her claims that she worked as prostitute, saying she will "present evidence that I was a sex worker" in unusual libel battle with her former boyfriend Owen Morris9 x' \: \5 L' U- b4 O