This musician has a half-billion video views. So who the hell is he?


He's sold millions of albums in Europe and is an internet star. Kanye West and Lorde have collaborated with him, and President Obama has one of his CDs. He's Belgian hip hop artist Stromae, whose Rwandan father was killed in that nation's genocide and is now trying to make it in the US.


The faces of youth activism from SXSW

On any given day at the South by Southwest festival in Austin, activists know they have an audience for their causes. We've been asking young people on the street, "What was the last protest you attended?"