He's that big dude youtube (& website) blogger from San Diego, California. He keeps making those quirky in-your-face youtube videos demonstrating stupidity of mainstream American society.
[Personally, I don't agree with every single one of his tactics. There is also Jan Helfeld, who has a very different approach of Socratic interviewing method. Both of these bloggers attempt exposing cognitive dissonance. Even though Mark Dice's approach might be off-putting on some occasions, overall I feel he does illustrate cognitive dissonance very well.]
Well guess what? Apparently the Joseph Goebbels rule is here already. Mark Dice's youtube channel has been unceremoniously nuked by Google. If you go to channel link, see error message below.