Opinion | Even while growing up in New York, composer, playwright and actor Lin-Manuel Miranda experienced a quintessentially Puerto Rican holiday, Three Kings Day. Here's what makes it special. Subscribe to The Washington Post on YouTube: http://bit.ly/2qiJ4dy Follow us: Twitter: https://twitter.com/washingtonpost Instagram: https://www.instagram.com/washingtonpost/ Facebook: https://www.facebook.com/washingtonpost/