Brandon Bohn and Kara Beissel led after Tuesday’s second round of the 2020 Teen Masters at AMF Shrader Lanes in Richmond, Virginia. Bohn leads the boys with 2,641 for his 12 games on 6-game blocks of 1,286 and 1,355, while Beissel tops the girls with 2,302 (1,247-1,055). In the Teen Masters, each competitor is limited to using the same plain urethane ball that doesn’t flare, and the lane patterns have much less oil than seen in modern bowling: The long pattern is 42 feet with 7.16...