It's one of the top equestrian events in the world and it's coming back to Cecil County. The MARS Maryland 5 Star at Fair Hill p/b Brown Advisory runs October 17th-20th at Fair Hill. On Tuesday a special guest stopped by the WMAR studios to promote the event. Oliver is a mini horse from Full Moon Farm in Finksburg. Oliver's owner, Savannah Fulton, "It's a top-level competition. People are bringing their horses from all over the world, which is a huge endeavor, putting horses on a plane, putting