You remember Jimmy Carter’s embarrassment of a brother Billy? Well, Obama’s got a brother, Samson Obama, who makes Billy Carter look like Bob Hope. The BBC has the lowdown on Obama’s lowdown half-brother: Barack Obama's half-brother was denied entry to the UK after being accused of a serious crime on an earlier visit, the Home Office has confirmed. Samson Obama, who lives in Kenya, was on his way to the US presidential inauguration in January when he was stopped at East Midlands Airport. According to the News of the World, fingerprint tests linked him to an alleged sex attack on...