I generally admire the good judge, and therefore tend to doubt that his views are being accurately presented here.
Napolitano's review of the Supreme Court's 1857 Dred-Scott decision seems to me highly unlikely to lead him to trash Lincoln or the Union cause.
So I suspect there's a problem with quotes out of context.
Dred Scott's Revenge: A Legal History of Race and Freedom in America
Do you own research, professor. You appear to have ample free time on your hands.
Well I wouldn’t put it past pokie to screw up even the easiest of quotes so I’ll withhold judgment - for now.