"It is indeed a difficult exercise, but I hope that my brother and I were able to give our respective accounts as accurately as possible," says David Pelicot, after taking the stand in a mass rape trial, where his father stands accused of drugging his mother for a decade to have her raped by dozens of strangers, in a case that has shocked France. The couple's children spoke in court in the southern city of Avignon as the trial entered its final stages. IMAGES AND SOUNDBITES