蜜芽传媒

Media magnate Rupert Murdoch has been stirring controversy by suggesting that President Barack Obama is not a 'real black president'. He tweeted: 'Ben Carson terrific. What about a real black President who can properly address the racial divide?' But who is Ben Carson? Hadas Gold, media reporter for Politico magazine in Washington DC, explains.

Photo: Composite of US President Barack Obama and Ben Carson. Credit: EPA/Getty