father son comedy writers liberal activists carl reiner rob reiner appear guests friday tavis smiley show pbs two lament former president barack obama carl call smart president since way back replace president donald trump rob deride clearly mentally unstable bite late rob reiner blame racism unleash obama election republican-controlled senate block appoint merrick garland supreme court seem tie birtherism declare delegitimizing african-american person everything follow carl fret work hard take away everything poor people rich people get tax break smiley last week liken possible obamacare repeal drive-by shoot agree oh yeah go smart president since way back guy like crazy nut mean feel sorry obama believe must feel today mrctv funny guy carl reiner meathead son feel sorry obama racist americans elect president trump video