Last night, the Queen of the World, BEYONCE, gave one of the best performances I've ever seen. Not to mention, SHE brought the mothers of police shooting victims Mike Brown, Trayvon Martin, Eric Garner and Oscar Grant to the red carpet. CBS News writes, "Brown, Martin, Garner and Grant are some of the most important names to catalyze the Black Lives Matters movement. Beyonce brought in the mothers of Brown, Martin and Garner to partake in her visual album, “Lemonade,” as well. They held photos…