Answers by Expert:
Anything related to baseball rules.
I am a baseball umpire. I am certified for High School (NFHS), and work in Missouri (MSHSAA). I umpire baseball from high school through adults, focusing mainly on high school-aged games.
NFHS - National Federation of High Schools MSHSAA - Missouri State High School Athletic Association GSLAU - Greater St. Louis Association of Umpires
I have attended numerous training lessons on umpiring. Many of these lessons including Rules Interpretations.
Mid-American Umpire Clinic - 2010