'It's how you finish': Serena Williams into U.S. Open semifinals

They were just two particular points from Serena Williams' latest three-set comeback at the U.S. Open, yet they were pivotal and consisted of the sorts of lengthy exchanges filled with athleticism and brilliance that in any other, non-pandemic year would be marked by thousands of folks rising to their feet for delirious roars and raucous applause. She needed both of these points, one of which included a shot she hit left-handed, to reverse a deficit that reached the scale of a set and a break af