Chris Matthews Smears: Immigration Enforcement Supporters Are Like Back to Africa Types

Chris Matthews on Monday smeared supporters of enforcing America's immigration laws, linking them to the post-Civil War "back to Africa" movements for African Americans. After liberal columnist David Corn insisted that Mitt Romney had boxed himself in, politically, Matthews snarled, "How is this any different than the big boat argument of people when it comes to African Americans after the Civil War?"