CNN New Day Sunday December 14, 2014 11:24:00
Prompted people to think differently about it. >> shepard ferry, the american street artist behind the obama hope poster, an image he plastered over the streets of america during the u.s. president's first election campaign. >> it is a great example, i think, of how grassroots imagery and activism can make a difference. >> shepard used simple images to make a statement and to build a brand. he's worth an estimated $15 million thanks to his clothing company which features his most iconic images and his prints which sell at auction for up ardz of $80,000 and still he takes to the streets to pain...