Junior Team USA's Kamron Doyle and Gazmine Mason won gold medals in singles as the 2015 Pan American Bowling Confederation Youth Championships began Sunday in Panama, the United States Bowling Congress reported in this news release. Doyle opened with a perfect game, then added 270, 222, 214, 269 and 236 for a 1,511 total at Bolera Sede in Panama City. After his 300, Doyle posed with his Storm PITCH BLACK urethane ball. Josh Lee Encarnacion of Puerto Rico earned the silver with 1,430 and...