Can I respond to that?
I'm not sure that the opinion of a unilingual anglophone judge should necessarily be the determining opinion as to the importance of knowledge of both languages. What former Justice Major said was that he found the interpretation system perfectly adequate, and he praised it. I'm not sure if the evaluation of a unilingual anglophone is what you should rely on as to whether interpretation is the appropriate mechanism for a judge to understand the case being presented before him. We've had quite eloquent testimony here as to some of the problems that can arise despite the talent of the interpreters, who I see working behind the glass here.