The U.S. Open women’s semifinal between American Coco Gauff and Karolina Muchova was delayed for nearly 50 minutes due to disruptive protesters — including one who glued his feet to the ground — in the upper decks of Arthur Ashe Stadium on Thursday night. Gauff, who eventually won in straight sets, was leading 1-0 in the second set when play was interrupted by four fans protesting climate change. During the stoppage in play, the crowd began chanting, “Kick them out! Kick them out!” It took roughly seven minutes before several were physically removed, though one male fan refused to leave and held up the proceedings even more as he glued his bare feet to the ground. At around 8:50 p.m. — about 45 minutes into the lengthy stoppage — both players came back onto the court to warm up and continued the match four minutes later. “We had environmental protesters up in the loge area,” USTA chief executive Stacey Allaster told ESPN during the delay. “When security got there, they found one o...