LEXINGTON, Kentucky, Sept. 8, 2015–The “calming” substance Phenibut (β-phenyl gamma aminobutyric acid) has been declared a forbidden substance by the U.S. Equestrian Federation…

Russia’s Inessa Merkulova tops the 2016 Olympic individual dressage rankings released Tuesday while Denmark has five combinations and Belgium three pairs in the top 20 ranked riders and horses that put the nations in contention to qualify teams for Rio…