Husband rages about testimony, knocks all paperwork off table and when he leaves the room, nothing is on the floor.
No defense attorney would ever put someone on their stand to testify on their client's behalf without any preparation for the questions that would come from the prosecutor. However, this is precisely what is done with Grace (Nicole Kidman). She is put on the stand to testify, with horrific results. This is unquestionably a huge plot hole.