Republicans, represented by Bill O'Reilly in the video above, claim it was a terrorist attack. Democrats, represented by Stephen Colbert, see it as a troubled young man who shouldn't have had access to guns.
For some time now I've thought that the polarization in America is not just confined to opinions and policy but to actual facts. Republicans and Democrats live in different realities with their own facts. And this situation is a perfect example.
How on earth can we govern if we can't even agree on what is real?