By Zach Koons Next stop: the Emmys? View the original article to see embedded media. Kentucky men‘s basketball coach John Calipari is already great at what he does. He‘s won a national championship and been crowned the Naismith College Coach of the Year on three separate occasions. Although he’s still at the top of his game in coaching, it seems like Calipari wants to dabble in another profession: acting. On Sunday, Calipari made an appearance on the most recent episode of “Billions”, a popular series on Showtime. The Kentucky coach popped up in the fourth episode of season six and delivered a…