Heh, good example, because that was the primary justification for trying to remove him from office over that, and turns out not to be such a good reason.
The argument around the Clinton impeachment was that he had lied under oath. Yes, the circumstances of his relationship with Lewinsky were shocking and got all the press but the charges brought against him in the House was that he had lied in previous sworn testimony in a deposition where he said he hadn't cheated on his wife by having sex with anyone else
More like that was the reason they managed to find after spending years pursuing a completely unrelated, and unsuccessful, investigation into a real estate deal.