WOODBURY - ? President Obama says he is not commenting on the death threat against his step-grandmother. Officials say there is beefed up security around 89-year-old Sarah Obama?s home in Kenya since a threat to kill her was made by the Somali affiliate of al-Qaida. One of bin Laden's possible successors, Anwar al-Awlaki, has said the United States would now "wish for the days of Osama."