Van Jones appeared on Jake Tapper's daily CNN broadcast on Friday afternoon
Tapper blasted Trump for saying he's done most for African Americans since Lincoln
During Thursday's debate, Trump said he was 'least racist person in the room'
Jones said Trump 'doesn't get credit' for 'good things' he did for black people
Trump has been praised by Jones for supporting criminal justice reform
President signed into law First Step Act to ease sentences for nonviolent crimes
Jones is said to have worked with Jared Kushner in crafting the legislation