Barstool Sports founder Dave Portnoy has sued Business Insider, alleging the media company defamed him. Portnoy, 44, says two articles, one published in 2021 and another published this year, were an attempt to smear his reputation and included falsehoods. The articles say Portnoy engaged in rough sex with multiple women and filmed some of them without permission. They included a quote from one comparing what allegedly happened to rape. “Mr. Portnoy has never sexually assaulted anyone, and defendants are well-aware of this fact,” the 29-page lawsuit, filed in federal court in Massachusetts, says. “Nevertheless, Insider is attempting to cash in on the climate of fear and ‘cancel culture’ permeating the media, whereby it has become open season for anyone to make any claim (no matter how vile and unsupported) about anyone seemingly without consequence.” According to the suit, Insider was presented with evidence that contradicts the allegations laid out in …