Late summer is the time for horses on the East End. This week, the editors are joined by reporter Cailin Riley and Shanette Barth Cohen, the executive director of the Hampton Classic Horse Show, who talk about 50 years of the prestigious event, including its history, evolution and the different competitions and activities that visitors to this year’s Classic will enjoy. The 50th Hampton Classic Horse Show runs August 24 to 31 at the showgrounds at 240 Snake Hollow Road in Bridgehampton.