How the Myth of the "Irish slaves" Became a Favorite Meme of Racists Online

Propaganda is cheap to produce on the web. And a purposeful lie in an age of "viral content" not only can race around the world in a day but resurface time and time again with surprising resiliency. 
Read more: http://snapzu.com/jenjen1352/how-the-myth-of-the-irish-slaves-became-a-favorite-meme-of-racists-online