The moment Meghan Tierney learned that her stallion, Moola, is an APHA World Champion! 2-Year-Old Breeders Trust Western Pleasure Stakes 1- Moola/ Katy Jo Zuidema 2- Sittin Sideways/Jeffery Gibbs 3- VS Beautyskooldropout/Brad Ost 4- An Original Cowboy/Sara Simons 5- Sensational…