Justin Bieber has apologized for a racist joke that was revealed in a recently posted online video. A British tabloid published the clip, which was recorded five years ago and shows a young Bieber telling a joke that uses the N-word. Bieber took to Twitter to apologize, saying, "As a kid, I didn't understand the power of certain words and how they can hurt."<br/> <br />Bieber's been getting a lot of bad press recently. He was accused last month of attempted robbery following media reports that he had tried to snatch a young woman's mobile telephone.<br/> <br />He's also due to stand trial in Miami on charges of driving under the influence, resisting arrest and using an expired license.<br/> <br />And in February, Bieber was charged with assaulting a limousine driver in Toronto.
