Only issue WH press credentials after the applicant passes a background check, drug test, and releases of the last 10 years of tax returns.
One pundit — maybe Laura Ingraham — noted that the press conferences would be much more civil and professional if the cameras were removed during the meeting. It would do a lot toward ending the grandstanding and showmanship if they knew nobody would be watching. The reason for the conferences is to glean information. They can get the information and then report it (truthfully).