No date has yet been set for the hearing of the international tribunal, which is an independent body led by a senior lawyer.
Citing the "open setting" of the televised hearing, Comey declined to answer.
Congressional officials have yet to set the final details of the hearing and plans may change, the people cautioned.
"The subcommittee, led by Senator Carl Levin, could ask Mr. Braunstein and other senior executives to testify at a hearing this month," though Congressional officials have yet to set the final details of the hearing.
Spectators fixated on big TV sets on each side of the hearing room, trying to ascertain whether Senator Charles E. Schumer, Democrat of New York, was crying while introducing the judge, as he appeared to be.
No new date has been set for the start of the hearing into alleged undisclosed payments to Rangers players.
His lawyers said they would appeal and seek a delay of the hearing set for Monday.
This suggests that in our 'downloaded only' data sets, a wider taxonomic representation of the hearing specialists may be needed to truly ascertain if they are 'echolocation' genes.
The generally polite tone of the hearing was set at the start by Mr. Kerry, the Massachusetts Democrat, who is the new chairman of the panel, but who had hoped to be picked as secretary of state himself.
Even one of the committee's Republicans, Tom Coburn of Oklahoma, declared his intention to vote for Ms. White Senator Charles E. Schumer, Democrat of New York, set the tone from the start of the hearing.
