Nicki Minaj is a slew of personalities and musical styles crammed into a small package. On the one hand, she is a foul-mouthed, fast-spitting rapper prone to switching accents and dropping creative, funny lyrics. On the other hand, she is a megawatt pop star, topping the mainstream charts with danceable songs. By being a female emcee with street credibility and an artist with an image and crossover sound that appeals to all of America, Minaj has opened...