A new video shows Obama 'singing' the hit 'U Can't Touch This'.Clips of the American President have been expertly spliced together to make it seem like he's covering the Hip-hop tune.The video was posted on Tuesday (November 6) and has since drawn more than 1.2 million hits.Previously, Obama 'sang' Lady GaGa's 'Born This Way' and LMFAO's 'Sexy and I Know It'.Digital Spy