In her sophomore novel, ‘The Rib King,’ Hubbard investigates caricatures and consumption — With her 2017 debut novel The Talented Ribkins, New Orleans-based writer Ladee Hubbard pulled inspiration from W.E.B. Du Bois’ “The Talented Tenth” — the essay that argued for “developing the best of [African Americans] that they may guide the mass away from the contamination and death of the worst, in…