By Zach Koons The Mercedes driver used his platform to speak out about the lack of diversity in the sport ahead of the first-ever Miami Grand Prix. View the original article to see embedded media. Ahead of the first ever F1 Grand Prix in Miami, Lewis Hamilton used his platform in front of an American audience to open up about his efforts to improve diversity in the sport. Speaking on Good Morning America Monday, the Mercedes driver spoke about his “lonely journey” throughout his career in F1. Hamilton, who is Black, explained that during his time as a professional, he often found himself to be…