Joe Lockhart was White House press secretary from 1998-2000 in President Bill Clinton's administration. He co-hosts the podcast "Words Matter." The opinions expressed in this commentary are his own. View more opinion at CNN.

(CNN) From the moment in September that the whistleblower complaint revealing the President's involvement in the Ukraine scandal was made public, President Trump and congressional Republicans have attacked everyone involved with bringing it to the surface.

Joe Lockhart

Targets have ranged from the whistleblower himself, to career diplomats and soldiers, to the Democrats running the investigation. Trump and his GOP enablers have done this all while failing to address the underlying evidence of alleged wrongdoing by the President and his team. Some have even made the case that what they call the unfairness of "the process" of investigation actually negates any wrongdoing.

The latest attack on the process came in the form of an op-ed Sunday in the Wall Street Journal by Representatives Jim Sensenbrenner and Steve Chabot. They were House impeachment managers during President Bill Clinton's impeachment 20 years ago.

Back then, it was their role to argue for the President's removal in the Senate, a process, they write, that was always fair and afforded Clinton due process.

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I was there, too, and their argument is specious at best, downright dishonest at worst. From the beginning, the Republicans have inaccurately compared Clinton's impeachment to the current inquiry about President Trump.

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