Mitt Romney
"Bad policy we can overcome as a country we have in the past. Bad character is something which is very difficult to overcome,” the Utah Republican said.
The former presidential nominee says there are two members of his own party he can't support.
This comes just a week after the ex-president praised fictional cannibal Hannibal Lecter during a rally in Iowa.
The Utah senator also dismissed Trump's claims that the proceedings were a "witch hunt."
The never-before-seen footage was release on day two of Trump's second impeachment trial.
Romney became the first senator in US history to vote to convict a member of his own party in an impeachment trial, after giving an emotional speech.
In a mockery of a trial, Republicans refused to call witnesses before acquitting the president.
The trial of President Donald Trump is now the first US impeachment trial to feature no witnesses.
Rudy Giuliani defends the use of information obtained illegally by a foreign power.
Has he in fact learned how to game birthday wishes?