Belle de Jour author Brooke Magnanti insists she was a call girl 1 k4 @$ x% Q2 C2 O) `7 u ' o0 w( K8 g! `; j s1 PBelle 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 5 U# G3 G* g3 }& R# R# h' t: ^/ Y, U* n- [0 U% b0 Q# ?