Belle de Jour author Brooke Magnanti insists she was a call girl 9 ?3 b1 A+ l0 C* S: Z . @0 L0 _+ G7 j( Q$ ZBelle 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 Morris% q2 w9 y7 F) c, m# N( A* w