Or are people still skittish about a black man as an intelligent lead character in a superhero series? Do we still want another dumbass Blade-type series?
We just elected a black man as President of the United States, so I don't think it's a dealbreaker when it comes to a TV-show lead.
I think it's high time we had another hourlong SF/fantasy drama with an African-American lead. I think there have been five previous such shows: Deep Space Nine (Avery Brooks), Sliders' final season (Cleavant Derricks), Mercy Point (Joe Morton), Day Break (Taye Diggs), and the aforementioned Blade: The Series (I don't know who). If this show happens, and if the rumors about casting for the next Doctor Who are correct, we'll have two more.