They were also damaged by a fresh purge, after the impeachment crisis of President Banisadr.
Nixon's competence to lead the country during his impeachment crisis also requires the closest possible scrutiny.
Discussing the impeachment crisis, he said: "I do not regard this impeachment vote as some great badge of shame.
Mr. Davis said he ultimately prevailed upon administration officials to allow him to appear on the network during the impeachment crisis.
For the first time in some days, the main action in the impeachment crisis seemed to be taking place outside the House Judiciary Committee.
The company provided polling on the Monica Lewinsky scandal and impeachment crisis.
That never happened on any significant scale during President Clinton's impeachment crisis, and solid partisan backing helped the president to survive.
This latest episode in the impeachment crisis offered another look at the taboos of Washington journalism.
It may also force a new approach to the impeachment crisis.
The message about standing strong was, of course, addressed to the national audience following his impeachment crisis as well as to Saddam Hussein.