ON MY desk in my home office I have a few items that keep me focused and inspired. I have an autographed photo of myself with Star Trek: Discovery star Sonequa Martin-Green, the first Black woman to helm a Star Trek series. Next to that, I have a Barbie Uhura in the box, autographed by Nichelle Nichols, the Black woman who played the first Black Star Trek character, along with an autographed, black-and-white picture of Nichols in costume. I also have a woodcarving of a famous Toni Morrison quote, “The function of freedom is to free someone …