The hugely successful Junior Gold Championships will switch sponsorship to the brands of Ebonite International — Ebonite, Track, Hammer, and Columbia 300 — under a new 2-year sponsorship deal with a 2-year option, the United States Bowling Congress announced Wednesday. Junior Gold has been sponsored by the brands of Storm Products the past couple of years. USBC said the deal with Ebonite includes “several exciting features,” including a scholarship program that will...