If we are not serious about facts and what's true and what's not. And particularly in an age of social media where so many people are getting their information in sound bites and snippets off their phones, if we can't discriminate between serious arguments and propaganda, then we have problems.
Barack ObamaNow, in practice, in daily social interactions, etc., there may be all kinds of biases and prejudices that are unspoken, that people aren't aware of, that affect who's hired, and who gets loans, and how kids are treated in school. But it's a powerful thing if you have on your side an idea that the overwhelming majority of people believe in because that's how you can build a consensus that's lasting.
Barack Obama