Anderson Cooper weathered an awkward and admittedly “frustrating” live interview over the weekend with Michigan Rep. Haley Stevens.

The CNN broadcaster welcomed Stevens on Sunday to discuss her status as a Democrat who, after losing her state’s Senate primary to opponent Abdul El-Sayed, courted controversy by endorsing Republican Senate candidate Mike Rogers in the overall race.

In the video below, Cooper begins the nearly 15-minute on-air interview by questioning Stevens about “what changed between then and this morning” after she reportedly had a phone call with Congresswoman Debbie Dingell about her position in the election.

“This is just a weight off my shoulders. Abdul has been getting angrier and angrier. I was trying to help,” Stevens replied, later adding that she still changed her mind while acknowledging that “so many Democrats want to vote for our Democratic nominee” in the race at large.

“That’s just where I landed on this. I woke up clear-eyed, fresh, and focused on what was in my heart,” Stevens replied, despite Cooper pressing her for a definitive answer on why she endorsed Rogers over El-Sayed.

The pair kept talking over one another at various points during the conversation, with Cooper stressing several times that his core question was, “What changed from the phone conversation you had with Congresswoman Debbie Dingell and waking up refreshed in the morning? Did you talk to anybody? Did you have a long night of the soul? Were you up all night? Did you have a dream? What happened?”

Stevens lightly evaded the question, telling Cooper that she “had some time to think” and disputed that she was on the phone with Dingell at midnight as previously reported.

“I’m just wondering what changed,” Cooper pressed again as the duo again spoke over each other. Stevens pointed to what she felt was her prior opponent’s increasing anger during the contentious election cycle, though Cooper pushed back, telling her, “He didn’t get angrier from midnight last night to this morning. Something changed your mind. I’m curious.”

Stevens pushed back, telling him, “You certainly weren’t on the phone with me at midnight,” while the journalist again asked if she did indeed speak with Dingell on the phone.

Cooper then read past statements Stevens made about Rogers and the dangers of electing a MAGA-adjacent candidate to represent Michigan in the Senate, all while he and Stevens cross-talked yet again.

“I’m sorry, I don’t want to talk over you,” Cooper interjected, while Stevens said, “It sounds like you’re upset with me too, Anderson.”

He refused the categorization, telling Stevens, “No, I’m not. You’re not really answering any of my questions, so it’s somewhat frustrating.”

The interview went on for another 10 minutes, with the conversation eventually ending to make way for Cooper’s interview with the aforementioned Dingell.

The Michigan politician called Cooper’s conversation with Stevens “one of the most painful interviews I’ve ever watched,” and said that she’s “been worried about” Stevens “all last week” because “she’s a human being.”

“I’ve had multiple conversations with her. I’m far from being the only one that has. I’m very concerned that this has all become a distraction,” Dingell added.

Entertainment Weekly has reached out to Stevens’ team for comment.

Earlier reports indicated that Stevens endorsed Rogers after attending a recent church service with him, following El-Sayed supposedly disinviting her to an event after defeating her in the state’s August primary.

“Our Democratic nominee for Senate said I was no longer welcome in his campaign and that I should stay away,” Stevens said in a subsequent video. “And he’s right. And that’s why I am endorsing Mike Rogers for the United States Senate today.”

Watch Cooper’s tense interview with Stevens in the CNN video above.