Bowlers in the Team USA program have gained the assistance of the seven of the most respected coaches in the world, the United States Bowling Congress announced Thursday. The new assistants to Team USA head coach Rod Ross and Junior Team USA head coach Bryan O’Keefe are Mark Baker, Carolyn Dorin-Ballard, Andy Diercks, Kelly Kulick, Mike Shady, Bill Spigner and Del Warren. USBC said the seven will work with Team USA players at training camps and in international competitions, as needed....