I thought this was supposed to be before a Congressional Committee? Washington Marriott? This is meaningless....
From the Record of the hearing, the reason is obvious; DOJ and IRS could not answer the questions truthfully without admitting to the fraudulent jurisdiction of the IRS and the illegal operation of the income tax system.
Rep. Roscoe Bartlett (R-MD) had brokered a deal where "government officials" were to attend. As they got closer to the date, of this meeting, the "officals" backed out.
Regards
Not entirely...but pretty damn close