The Sun reports Joss Stone has been asked by Democratic presidential candidate Barack Obama to record a song to serve as the theme to his election campaign. “Joss is a big supporter of Barack Obama and was very excited to be asked to do this for him,” a source told Gordon Smart. “He sent a personal message asking her to get on board. He has always admired her music and thinks she is the perfect choice because of her unique appeal to black and white voters. She believes he is going to be the first black American president and she is honored to be a part of that.” Read more.