A Texas high school sprinter set an incredible mark at a 100-meter event Saturday. Matthew Boling, of Strake Jesuit College Prep in Houston, set a 9.98 mark at the Region III-6A track and field event. The 18-year-old posted a video of his sprint on Twitter and said “New PR and 100m high school record all conditions, 9.98.” Other social media users immediately dubbed him “White Lightning.” Boling’s mark was the fastest time by an American under 20 years old, according to Yahoo Australia. However, the mark wouldn’t be considered a national record because he received a 4.2 mph tailwind. Boling...