What happens in collaborative law requires rationality and emotional stability. I don’t think that participants who suffer from extreme psychiatric impairment, active substance abuse, etc. should be invited to participate in the process. These individuals may benefit from being shielded and spoken for by a legal representative. I would add to the screening criteria those with extremely unrealistic expectations, paranoid tendencies and trouble controlling angry impulses. I would enjoy studying the screening process with an eye toward including broader categories of participants.