Belle de Jour author Brooke Magnanti insists she was a call girl * y$ _7 F& V# P) Q4 x* J- A 7 y f. C& y0 BBelle 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 Morris1 G/ ^' n# d+ [9 S c1 L5 s3 T