Black lawmakers and activists across the Deep South argue they have been abandoned by the Democratic Party to fight an existential crisis on their own. They say they've been let down by nearly all corners of the party: would be-presidential hopefuls who have flocked to early and swing states but don't bring their megaphones elsewhere; congressional leadership focused on majority-making battlegrounds while safe Black seats are drawn out; and years of chronic underfunding that has allowed local party apparatus to wither away.