Why WOULD Mitt Romney tell jokes about President Obama's birth certificate? Why does he keep running ads suggesting that the Obama administration has been dismantling work requirements for welfare, even though those claims have been thoroughly debunked?
Watch how uncomfortable Chris Matthews makes these icons of propriety, from Tom Brokaw on the left to Reince Priebus on the right, when he suggests the obvious, which is that the Romney campaign is now using code words and phrases to appeal to their base (read white male voters). This is Willie Horton all over again. There's no doubt about it. And the more that Reince Priebus calls Chris Matthews' attacks "garbage," the more we know they have stung.
UPDATE (8/28): Chris is not exactly backing down from his comments: