Belle de Jour author Brooke Magnanti insists she was a call girl $ _& h0 L5 c( I4 L& j) H, z - J1 T3 d3 k) X. f* 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( }9 {7 j s! J