The government needs to articulate what valid public benefit is forwarded or protected by denying journalists access to a public proceeding and that their plan is the least restrictive on this Constitutionally protected activity that achieves the stated goal.
Given that I don't see a lot of outbursts from the press in Congressional hearings, this seems like a solution searching for a problem.
Given that Republican officials and staffers themselves have been the cause of raucous demonstrations, potential witness intimidation, and other shenanigans, it also reeks of desperate hypocrisy.