Republican Greg Gianforte, the projected winner of Montana's special election to fill its vacant House seat, used part of his victory speech Thursday night to apologize to the reporter he has been charged with assaulting. In victory speech, Greg Gianforte says he's ‘sorry.' "Last night I made a mistake." https://t.co/53QVJshUEz pic.twitter.com/wXfVpLpxhp — ABC News (@ABC) May 26, 2017 "Last night, I made a mistake, and I took an action that I can't take back," Gianforte said in front of a crowd in Bozeman.