It’s an old bowling axiom that when given an opening by an opponent, champions take advantage — “step on their throat” is an oft-heard statement. In the title match of the 2017 Nationwide PWBA Rochester Open that aired Tuesday night on CBS Sports Network, Shannon Pluhowsky gave Danielle McEwan an opening when she whiffed a 10-pin in the sixth frame and converted the 2-7 split in the seventh after opening with four strikes in five frames. And McEwan did exactly what a...