Former Tea Party Congressman Joe Walsh wrote an op-ed for The New York Times on Wednesday.
In it, he apologized for his role in helping President Donald Trump reach the White House.
Business Insider reports he also called for a primary challenger to take him on in 2020.
He also apologized for divisive comments he previously made against former President Barack Obama.
"At times, I expressed hate for my political opponents.
We now see where this can lead.