This was a revealing interchange:
Angus: Deut 22:23-27 There was no other witness when she was raped.
GJ: but there were circumstances
Angus: yes - the circumstance was she was raped in the field. So is the scriptural basis really so solid for your 2 witness rule?
GJ: Cimcumstances can be the 2nd witness.
Angus: And yet, however, there needn't be a 2nd witness in the case of adultery to be determined according to your Elder Handbook.
This contradiction I don't think GJ had thought too much about.