He’s a senator. Strike one.
From a state that’s already solidly dem. Strike two.
He’s being anointed with this can’t-miss messianic crap way too early. It makes him a political target for the GOP, and burdens normal development. Just because you have a top prospect doesn’t mean you stick him in the lineup. Strike three.
If you’re looking for near-term African American candidates, Harold Ford’s a better choice.