@CNN: In the history of horse racing, only 12 horses have ever won the fabled Triple Crown. But why is this trophy so difficult to win? https://t.co/CNaTs4a7Jo https://t.co/3zrgE7qxgU

June 9, 2018 / The Arbiter / CNN

@CNN: In the history of horse racing, only 12 horses have ever won the fabled Triple Crown. But why is this trophy so difficult to win? https://t.co/CNaTs4a7Jo https://t.co/3zrgE7qxgU

In the history of horse racing, only 12 horses have ever won the fabled Triple Crown. But why is this trophy so difficult to win? https://t.co/CNaTs4a7Jo pic.twitter.com/3zrgE7qxgU

— CNN (@CNN) June 9, 2018

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